Individual
Differences Theory
The same message.
Different minds, different responses.
Explore how motives, personality, knowledge, empathy and confidence enter media encounters. Follow the path from audience characteristics to selection, interpretation and effects, then learn how to investigate the differences.
In this chapter · Open the contents
- The central idea
- Intellectual roots
- How differences enter
- Selective processes
- Needs, motives and activity
- Personality and disposition
- Knowledge, confidence and persuasion
- Empathy, emotion and enjoyment
- A classic reception study
- Conditional effects and later models
- Applications and critical assessment
- Three applied cases
- Watch and connect
- Check your understanding
- Apply and investigate
- Glossary and further reading
Explain why media influence varies across people and situations.
- Locate the individual-differences perspective in media-effects research.
- Distinguish selective exposure, attention, perception and retention.
- Connect motives, traits, knowledge, confidence and empathy with specific responses.
- Explain the Vidmar–Rokeach study and the contribution of later susceptibility models.
- Distinguish moderation from mediation and design a study of audience variation.
One message enters many different lives.
Suppose a university releases a short film asking students to separate recyclable waste. A student who has worked with a recycling group checks the film’s instructions. Another remembers overflowing bins near the hostel. A third watches for the humour and shares a joke from the film. They encounter the same production, yet carry different questions into it.
Individual Differences Theory explains this variation by examining the characteristics, experiences and purposes that people bring to media use. These differences can shape what they choose, what catches their attention, how they interpret it and what follows.
The perspective moves audience research towards a precise question: which people respond to which messages, through which processes, and under which conditions? It gives the receiver a place inside the explanation of media effects.
Start with a process
In the recycling example, prior knowledge may help a student recognise a practical error. Personal experience may make the problem feel urgent. A desire for amusement may direct attention towards a comic character. Each explanation connects a particular characteristic with a particular response.
A researcher can investigate those connections. Measure prior knowledge, record attention to the instructions and assess whether viewers can correctly sort sample items afterwards. This turns an impression about “different audiences” into a question that evidence can address.
Why it matters
Teachers, journalists and campaign designers often address people who differ in language, experience, motivation and familiarity with a topic. A single audience total can conceal those differences. A film may reach a thousand people while teaching some, reassuring others and leaving others uncertain.
The perspective encourages explanations at that finer scale. It also helps examine stronger effects among particular audiences, resistance among others and changes in response as people acquire knowledge or experience.
A working definition
Individual Differences Theory is a psychological perspective on media effects that explains variation in media selection, processing and outcomes through differences among audience members. Those differences operate within social relationships and material conditions.
Carry one question through the chapter: when two viewers respond differently, what evidence would identify the reason?
The perspective grew as researchers examined the audience more closely.
Individual differences entered media research through work on learning, attitudes, personality and persuasion. Researchers investigated how people receive and evaluate messages, and how existing commitments and everyday relationships shape influence.
The approach is commonly discussed within the limited-effects tradition. Joseph T. Klapper’s The Effects of Mass Communication (1960) placed media influence among other influences operating in people’s lives. Melvin L. DeFleur and Sandra Ball-Rokeach’s Theories of Mass Communication develops selective-influence approaches within a wider account of communication. Klapper ↓ · DeFleur and Ball-Rokeach ↓
| Contribution | Research question | Contribution to this chapter |
|---|---|---|
| Persuasion research | Why do people differ in accepting a communication? | Connect the receiver’s characteristics with reception and evaluation. |
| Festinger, 1957 | How do people respond to inconsistency among their cognitions? | Explore the pressure to reduce dissonance and its implications for information choices. |
| Klapper, 1960 | How does communication operate among other influences? | Locate media influence within personal and social conditions. |
| McGuire, 1968 | How can one characteristic influence different persuasion processes? | Distinguish receiving a message from yielding to it. |
| Vidmar and Rokeach, 1974 | How do viewers interpret a television satire? | Examine the relationship between prior prejudice and reception. |
| Rubin, 1983–1984 | How do motives and viewing orientations shape television use? | Connect audience purposes, selectivity and activity. |
| Valkenburg and Peter, 2013 | Why are people differentially susceptible to media effects? | Connect dispositions, development, social context and response processes. |
From an audience category to an audience member
Broad accounts of media power often discuss “the public” or “the masses.” The individual-differences perspective opens those categories and examines variation within them. Two people of the same age, education and locality may differ in interest, confidence, prior knowledge or emotional response.
This shift gives psychological processes a central role. A communication reaches someone who already knows, expects, values and feels particular things.
Conditional influence
The word limited points towards conditions on influence. A prior commitment may encourage scrutiny of an opposing argument. Strong personal relevance may concentrate attention. An emotionally involving portrayal may touch one viewer more deeply than another.
Use the perspective to investigate the direction, size and distribution of an effect. Reinforcement, learning, disagreement and behavioural change are all possible questions for inquiry.
Connect a characteristic with a route of influence.
An explanation becomes useful when it identifies the link between an audience characteristic and an observed outcome. “The viewers were different” begins the inquiry. The next task is to show how a difference operated.
What does the person bring?
Knowledge, attitudes, motives, dispositions, experience and current circumstances.
What becomes available and selected?
Access, language, recommendations, deliberate choices and incidental encounters.
What happens during the encounter?
Attention, interpretation, thought, emotion, arousal and remembering.
What changes or persists?
Knowledge, feelings, attitudes, intentions or behaviour, measured over a stated period.
Trace the relationship: starting conditions can affect both selection and processing. A later outcome can also influence the person’s next media choice. Social relationships and practical opportunities surround the whole encounter.
Selection changes the encounter
A student preparing a project may choose an explanatory video and replay its examples. Another may encounter the same topic while scrolling through a feed. Their opportunities to learn differ before either evaluates the argument.
Processing changes the meaning
During viewing, a person may compare a claim with previous knowledge, imagine a character’s feelings or concentrate on a striking sound. These responses help explain what the encounter becomes for that viewer.
Specify the outcome
An effect needs a clear object and a time frame. Immediate recall, continuing interest, attitude change and an action taken a week later answer different questions.
| Outcome | Possible evidence | Recycling-film example |
|---|---|---|
| Cognitive | Knowledge, comprehension, recall or beliefs. | The viewer can identify which materials belong in each bin. |
| Affective | Feelings or emotional evaluations. | The viewer reports concern about waste or hope about collective action. |
| Attitudinal | Evaluation of an issue, practice or proposal. | The viewer evaluates the university’s separation scheme more favourably. |
| Behavioural | A defined, observable action. | The viewer correctly separates items during a subsequent task. |
Measure these outcomes separately. A viewer can learn the rules while remaining dissatisfied with the university’s implementation. Another can endorse the proposal while lacking suitable bins near the hostel.
Follow the person over time
Media encounters accumulate within a life. A useful explanation may need to follow initial interest, repeated exposure, discussion and later practice. The student who learns a new sorting rule today may actively seek a more detailed guide tomorrow.
This makes the relationship dynamic. People select media, process them and carry the consequences into later encounters.
Choice, attention, interpretation and memory shape reception.
Selective processes describe different points at which audience members respond unevenly to media. They give researchers a vocabulary for examining how a common media environment becomes a particular person’s experience.
| Process | Meaning | Illustration |
|---|---|---|
| Selective exposure | Preferential selection of some information over available alternatives. | A student repeatedly chooses explainers on an issue that already interests her. |
| Selective attention | Differential attention to features within available content. | Two viewers notice different parts of the same interview. |
| Selective perception | Interpretation shaped by prior beliefs, expectations and experience. | Viewers assign different meanings to a satirical character’s speech. |
| Selective retention | Differential remembering of encountered information. | Later accounts emphasise different claims or details from the same programme. |
Exposure: following interest and seeking agreement
People choose information for several reasons: relevance, usefulness, enjoyment, curiosity and compatibility with existing views. In research on attitude-consistent selection, selective exposure often refers specifically to a preference for congenial information.
Leon Festinger’s A Theory of Cognitive Dissonance (1957) explains the pressure to reduce psychologically uncomfortable inconsistency. Seeking supportive information is one possible response. Revising a belief, changing conduct or reinterpreting the inconsistency offers other routes. Read Festinger ↓
Hart and colleagues’ 2009 meta-analysis examines preferences for congenial information and the conditions surrounding them. Its distinction between defending a position and pursuing accuracy helps formulate a useful question: what is the person trying to accomplish through this search? Read the study ↓
Attention: locating the focus
A video can place an instruction, a comic exchange and a moving image on the screen within seconds. Viewers may concentrate on different elements. Ask what they noticed, what they followed closely and what distracted them.
For the recycling film, recall of the joke and recall of the sorting rules provide different clues. A researcher could combine a viewing task, a comprehension test and questions about the most striking scene.
Perception: building an interpretation
Interpretation connects a message with what the viewer already believes and expects. A remark can appear humorous, insulting, reassuring or evasive. Examine which cues the viewer uses to support that reading.
Open questions help here: “What point was the speaker making?” and “Which part led you to that interpretation?” The reasons can reveal more than an overall liking score.
Retention: following what survives
A delayed recall task asks what remains available after the encounter. Compare what people remember with what was presented. Record correct details, omissions and additions, then examine their relationship with prior beliefs and attention.
These processes can interact. An established interest can guide a choice, concentrate attention and support later recall. The research task is to identify the links that the evidence actually supports.
The purpose of media use helps explain the response.
A person can open the same app to learn a technique, keep someone company, enjoy a performance or fill a short break. Each purpose directs the encounter towards different rewards and different features of the content.
Motives connect the individual-differences perspective with uses and gratifications research. The shared concern is the audience member’s role in organising media use.
Rubin: purposes and viewing orientations
Alan M. Rubin’s work in 1983 and 1984 examines television motivations and the distinction between ritualized and instrumental use. His 1983 study identifies nine motives: relaxation, companionship, habit, passing time, entertainment, social interaction, information, arousal and escape. 1983 article ↓ · 1984 article ↓
Instrumental use is comparatively purposeful and selective, organised around particular content or goals. Ritualized use is comparatively habitual and oriented towards the medium as part of an established routine. These orientations help investigate attention, involvement and satisfaction.
| Purpose | Possible pattern of use | A useful research question |
|---|---|---|
| Learning | Choosing an explainer and replaying a difficult example. | Which concepts can the viewer explain after watching? |
| Companionship | Keeping a familiar programme on while alone. | What sense of company does the viewer describe? |
| Relaxation | Choosing familiar, undemanding content after work. | How does the person’s reported state change during the session? |
| Social interaction | Watching material that friends discuss. | How does anticipated conversation shape selection? |
| Enjoyment or excitement | Seeking comedy, spectacle or suspense. | Which features produce the reported pleasure or arousal? |
Reiss: a wider map of human motives
Steven Reiss’s Who Am I? (2000) presents sixteen basic desires. His 2004 article develops the motivational framework. The desires are acceptance, curiosity, eating, family, honour, idealism, independence, order, physical activity, power, romance, saving, social contact, status, tranquillity and vengeance. The book ↓ · The article ↓
This is a general theory of human motivation. It offers questions for media research: could curiosity encourage a search for an explanation, or idealism direct attention towards a campaign? Translate such suggestions into specific, testable expectations.
Activity varies during use
A viewer may actively choose a documentary, drift during one segment and examine another closely. Activity can include selecting, interpreting, comparing, discussing and creating. Examine the activity relevant to the proposed effect.
For example, ask whether a student paused to check the recycling instructions or discussed them afterwards. That evidence connects activity with the task. A view count supplies a different piece of information: the recorded encounter.
Compare intended and experienced rewards
Ask participants what they hoped to obtain before use and what they obtained afterwards. A student seeking practical information may find reassurance, confusion or an unexpected question. This comparison helps explain both satisfaction and the next media choice.
Stable tendencies meet the situation of viewing.
Personality traits describe relatively enduring patterns in thought, feeling and behaviour. They can help formulate expectations about media preferences and responses. John and Srivastava’s account of the Big Five provides a widely used vocabulary. Read the chapter ↓
| Dimension | Central tendency | Question for a media study |
|---|---|---|
| Openness to experience | Curiosity and receptiveness to ideas and experiences. | Does interest in unfamiliar material predict content selection? |
| Conscientiousness | Organisation, dependability and goal-directed effort. | Does planned study predict completion of an instructional series? |
| Extraversion | Sociability, assertiveness and energetic engagement. | How does social orientation relate to discussion around media? |
| Agreeableness | Cooperation, trust and concern for others. | How does interpersonal orientation relate to responses to conflict? |
| Neuroticism | A tendency towards negative emotional experience. | How does emotional sensitivity relate to reactions to uncertainty? |
The familiar mnemonic OCEAN brings these five names together. Each describes a dimension along which people vary.
Move from a label to a hypothesis
Suppose you expect openness to predict interest in an unfamiliar film genre. Specify the measure of openness, the set of available films and the evidence of interest. Participants might choose a trailer, rate it or watch for a measured period.
Then consider alternatives. Previous exposure to the genre, language proficiency and the available viewing time could help explain the choice. A useful study gives these possibilities a place in the design.
Traits and states operate at different time scales
A trait concerns a relatively stable tendency. A state concerns a person’s condition at a particular moment: tiredness before a lecture, excitement during a match or irritation after a difficult journey.
Repeated observations can help distinguish them. If the same person responds differently across several sessions, examine what changed between those sessions. If a pattern recurs across people and occasions, investigate the more enduring differences that might contribute.
Describe a disposition precisely
Empathy, sensation seeking, hostility and enjoyment of effortful thought identify more specific lines of inquiry than a broad personality description. Choose the characteristic that fits the proposed process. For a suspense film, the relevant question may concern desired excitement; for an explainer, it may concern interest in sustained thought.
Measurement makes the distinction usable. Explain what the construct means, why it matters for the content and how the chosen instrument represents it.
Understanding, evaluating and acting involve different capacities.
A viewer brings several resources to a message: knowledge of the topic, language proficiency, reasoning skills, willingness to think and confidence in acting. Each can contribute to a different part of the encounter.
Reception and yielding
William J. McGuire’s 1968 information-processing account distinguishes reception of a persuasive communication from yielding to it. A characteristic can support understanding while also supporting resistance to an argument. This helps explain why the relationship between a personal characteristic and persuasion can depend on the task and the message. Read the chapter ↓
Intelligence or self-esteem therefore needs a process-specific explanation. Ask whether the proposed relationship concerns attention, comprehension, evaluation or agreement. The strongest explanation identifies how the characteristic enters that process.
Prior knowledge supplies a reference point
In the recycling film, someone familiar with waste processing can compare the instructions with local procedures. A newcomer may first need to learn the names and categories. Offer both viewers a comprehension task and ask them to explain their reasoning.
Expertise is also domain-specific. A person can read a statistical graph fluently and struggle with a musical score. Identify the relevant knowledge before interpreting a score as a general capacity.
Need for cognition concerns motivation to think
John T. Cacioppo and Richard E. Petty’s 1982 work develops the measurement of need for cognition: variation in people’s tendency to engage in and enjoy effortful thinking. It helps examine differences in the inclination to scrutinise a message. Read the article ↓
A study could vary the quality of an argument and examine whether responses vary with measured need for cognition. Include evidence that participants recognised the argument and had an opportunity to process it. This connects the trait, the task and the proposed route.
Self-esteem concerns a person’s evaluation of self
Morris Rosenberg’s Society and the Adolescent Self-Image (1965) provides a foundational treatment of self-esteem. In media research, the concept can guide questions about how messages touch a person’s sense of worth. Read the book ↓
Suppose a campaign presents waste reduction as proof of being a responsible student. Investigate how viewers understand the appeal to identity and worth, and how that reading relates to agreement or discomfort.
Self-efficacy concerns a particular action
Albert Bandura’s 1977 account places perceived capability to perform an action at the centre of self-efficacy. For the recycling campaign, ask whether a viewer feels able to identify the categories, find the bins and carry out the sorting. Read the article ↓
A clear demonstration may help someone feel capable. The practical setting then matters: suitable bins, understandable labels and time to act. Trace the relationship between capability, opportunity and observed conduct.
A portrayal can move viewers along different emotional paths.
Media bring people close to suffering, celebration, conflict and achievement. Audience members can differ in how readily they imagine another person’s experience, how strongly they react and which characters they support.
Empathy has several dimensions
Mark H. Davis’s 1983 work presents a multidimensional approach to empathy. It distinguishes perspective taking, empathic concern, personal distress and imaginative involvement with fictional situations. These distinctions help separate understanding another person, feeling concern and experiencing discomfort oneself. Read the article ↓
Suppose a documentary follows a family displaced by a river’s erosion. A viewer might understand the family’s choices, feel concern, become overwhelmed or imagine living through the same journey. Ask about these responses separately and relate them to the features of the portrayal.
Connect the feeling with the outcome
Feeling moved provides evidence about an emotional response. A further question concerns what follows: seeking information, discussing the issue, supporting an initiative or turning away. Identify the process proposed to connect the feeling with the later outcome.
A follow-up interview could ask which scene remained vivid and what the viewer did afterwards. Compare those accounts with a defined behavioural measure where the study permits one.
Character allegiance shapes enjoyment
Disposition approaches to entertainment examine how audiences evaluate characters and respond to their fortunes. Arthur A. Raney’s 2004 discussion develops questions about character liking, moral evaluation and enjoyment. Read the article ↓
A confrontation can invite satisfaction when viewers believe a favoured character has been defended. Other viewers may attend to the harm inflicted or the fairness of the portrayal. Examine whose perspective receives attention and which actions the audience regards as justified.
Hostility and violent entertainment
The individual-differences perspective supports precise questions about hostility, perceived deservingness and enjoyment. A study might investigate whether prior hostility relates to how viewers evaluate a victim or excuse a character’s conduct.
Specify each outcome. Enjoying a scene, judging it as justified, becoming physiologically aroused and behaving aggressively are separate observations. A research design needs evidence for the particular connection it proposes.
Mood enters the encounter
The same film can meet a person on an energetic afternoon and an exhausting evening. Repeated viewing sessions can reveal how temporary mood and circumstances accompany changes in response.
This returns us to the central question: what does this person bring to this portrayal at this moment, and how does that starting point enter the response?
A satire can meet the very beliefs it seeks to challenge.
Neil Vidmar and Milton Rokeach’s 1974 article, “Archie Bunker’s Bigotry: A Study in Selective Perception and Exposure,” examines responses to the American television programme All in the Family. Its central character, Archie Bunker, voices prejudiced views that the programme places within comic conflict. Read the article ↓
The study found differences associated with viewers’ prior prejudice. More prejudiced viewers were more likely to favour Archie and read the programme in ways sympathetic to him. Less prejudiced viewers were more likely to respond to its criticism of bigotry.
The finding gives selective perception a concrete form: audience members can enjoy the same programme while drawing different meanings from it.
What makes this case instructive?
The case separates the producer’s intended point, the audience’s interpretation and the audience’s enjoyment. An overall approval rating could place viewers together even when they approve of different things.
A contemporary research exercise could ask viewers to describe the character, explain the programme’s point and identify the lines they found funny. Compare those responses with a prior-attitude measure collected before exposure.
| Claim | Evidence to seek | Question to ask |
|---|---|---|
| Viewers enjoyed the programme. | An enjoyment rating or account of pleasure. | Which scenes or characters supplied that enjoyment? |
| Viewers interpreted the programme differently. | Accounts of its meaning, character evaluations or coded interpretations. | How are these readings related to attitudes measured beforehand? |
| The programme changed prejudice. | A design tracking change with an appropriate comparison and time order. | What would attitudes have been without this exposure? |
Build a better question about satire
Suppose a short online sketch mocks a character who spreads rumours. Ask whether viewers perceive the character as foolish, entertaining, courageous or unfairly treated. Then ask what they believe the sketch says about sharing rumours.
Those questions distinguish attraction to a performance from acceptance of its message. They also help identify which cues support the intended reading and which cues permit another one.
Carry the lesson into research
Define the meaning you intend to examine before collecting answers. Develop a coding scheme, retain room for unexpected interpretations and check whether coders apply the categories consistently.
This approach makes audience diversity visible in the evidence. It gives an explanation of reception a stronger foundation than assumptions drawn from a programme’s genre or declared purpose.
A useful explanation identifies who responds and how.
Individual differences invite two connected questions. Does a characteristic alter the relationship between exposure and an outcome? What process carries the proposed influence?
Does the effect vary?
Test whether the exposure–outcome relationship changes as knowledge varies.
How might the effect occur?
Test whether exposure changes understanding and whether that change contributes to the outcome.
Read the arrows as proposed relationships. A study needs suitable timing, measures and comparison conditions to assess them. The same construct can serve different roles in different research questions.
A moderator changes the relationship
Suppose an instructional film improves sorting performance more among beginners than among experienced recyclers. Prior knowledge may moderate the film’s effect. An appropriate analysis tests the difference between the effects across knowledge levels.
A mediator lies on a proposed causal path. If the film improves understanding, which then improves sorting performance, comprehension is a candidate mediator. Measure the proposed sequence and explain the assumptions supporting the causal interpretation.
A small average can conceal different patterns
Suppose an experiment compares a persuasive video with a comparison video. Two equally sized, predefined groups produce the following differences in average attitude change.
| Predefined group | Persuasive-video effect relative to comparison | What to investigate |
|---|---|---|
| Group A | +2 points on the same attitude scale. | Which measured starting conditions might explain the positive response? |
| Group B | −2 points on that attitude scale. | Which measured starting conditions might explain the negative response? |
| Both groups pooled equally | 0 points on average. | Estimate the interaction, uncertainty and distribution of responses. |
Here the equal and opposite differences cancel in the pooled average. The illustration shows why a researcher might examine heterogeneity. A claim about such a pattern in a real study requires estimates, adequate precision and a defensible explanation.
The Differential Susceptibility to Media Effects Model
Patti M. Valkenburg and Jochen Peter’s 2013 model, commonly abbreviated DSMM, integrates earlier insights through three forms of susceptibility: dispositional, developmental and social. It identifies cognitive, emotional and excitative response states as processes through which media effects can occur. Read the model ↓
Dispositional susceptibility includes personal tendencies; developmental susceptibility concerns development across the life course; social susceptibility concerns the surrounding social environment. The model also recognises reciprocal relationships between media use and outcomes.
Use these categories to widen the recycling-film inquiry. Examine existing interest, the viewer’s relevant developmental capacities and support from peers. Then investigate understanding, feeling and arousal during exposure.
Time matters
A person’s experience with one message can alter the starting conditions of a later encounter. Learning can increase confidence; an upsetting portrayal can change a future choice. Repeated observations help examine those changes within the same person.
Use psychological detail alongside social and material conditions.
The perspective gives communication practice a practical starting point: understand the people who will encounter a message, then test the response. Its value grows when that psychological detail remains connected with language, access, institutions and everyday relationships.
Teaching and public communication
An instructional page can offer a short overview, a worked example and an extended explanation. A learner can enter at an appropriate point and return when needed. Study which route helps which learners and which concepts remain difficult.
A public campaign can pair an explanation with a demonstration and a clear route to action. In the recycling example, show the categories and provide a way to locate the nearest collection point. Evaluate comprehension and practical use separately.
Journalism and entertainment
A news explainer can define unfamiliar terms and make its evidence accessible. Audience interviews can reveal whether people recognise the question, follow the account and distinguish reporting from a quoted claim.
Entertainment research can examine attachment to characters, moral interpretation and enjoyment. The Vidmar–Rokeach case shows why a producer benefits from investigating what audiences understand as well as whether they enjoy a programme.
Digital selection has several authors
On a platform, a person’s choices meet a system of available content, interface cues and recommendations. Research can examine both what the person selects and what the system places within reach.
Suppose a student repeatedly opens practical explainers. A study could record deliberate searches, recommended items, incidental encounters and subsequent viewing. Then compare how each route relates to learning and later choices.
Valkenburg, Peter and Walther’s 2016 review places conditional and transactional approaches within the broader development of media-effects research. It offers a useful bridge from the individual encounter to changing media environments. Read the review ↓
What the perspective explains well
Its strength is precision about variation. It helps specify an audience characteristic, a proposed process and an outcome. It also challenges the habit of treating reach, enjoyment or attitude change as interchangeable measures of success.
Questions that extend the explanation
A complete account may need evidence beyond psychology. The recycling film can teach a willing student who still has no accessible bin. A language barrier can limit comprehension before a difference in motivation becomes relevant.
Ask how content quality, social support and practical resources interact with the person’s starting conditions. Compare responses within demographic groups and inspect the actual pathways behind any difference between groups.
Use differences to support participation
Offer understandable alternatives, test them with the intended audience and retain room for individual choice. A useful design helps people pursue their purposes and examines whether the communication serves them. Audience research can guide that work through evidence about needs, interpretation and access.
Follow the proposed process in each case.
Read each situation, identify the relevant differences and select evidence that could explain the response. Open the analysis after forming your own account.
Case 1 · A campus film reaches beginners and experienced volunteers
Suppose a university shows a recycling film to students. Experienced volunteers praise its purpose but identify a confusing example. Beginners like the presentation but struggle to classify two materials afterwards.
Analyse the pattern
Prior knowledge offers a starting point. The volunteers may use experience to evaluate accuracy; beginners may need clearer category rules. Measure knowledge before exposure, comprehension afterwards and performance on the same sorting task.
Compare an improved demonstration with the original version through random assignment. Test whether the difference between versions varies with prior knowledge. This examines a proposed interaction between the message and the audience.
Discussion: which part of the film should change if the aim is comprehension? Which additional measure would show whether students can use what they learned?
Case 2 · A satire becomes a badge of admiration
Suppose a comic video presents a character who boasts about spreading rumours. Some viewers applaud the attack on irresponsible sharing. Others celebrate the character as a bold speaker and circulate his catchphrase.
Analyse the pattern
Separate enjoyment, character liking and interpretation of the message. Collect prior attitudes towards rumour sharing, then ask viewers to explain the video’s point and identify the conduct they endorse.
Analyse the explanations as well as the numerical ratings. A shared enjoyment score may accompany opposing readings. A later sharing measure could show whether viewers circulate the video, but its meaning still requires attention to the accompanying words and context.
Discussion: how could the video make the consequences of rumour sharing easier to recognise? What evidence would show that viewers understood the intended criticism?
Case 3 · The same documentary moves viewers differently
Suppose a documentary follows a riverbank community rebuilding after erosion. Some viewers seek further information. Others report distress and close the video. Some discuss practical ways to help with friends.
Analyse the pattern
Investigate empathy, prior experience, present mood and the social setting of viewing. Distinguish concern for the community from discomfort in the viewer and from confidence in taking a useful action.
A study could collect a brief response during viewing and conduct a later interview. Ask which scenes prompted concern, which resources seemed available and what happened afterwards. Keep observed actions separate from reported intentions.
Discussion: which response is the documentary designed to support? How might a clear explanation of available actions shape what follows the emotional encounter?
Bring the lecture into your study of audience variation.
In my lecture, Individual Differences Theory and Media Effects, I discuss motives, personality, empathy, information processing and selective exposure. Watch with one example in mind and trace how the audience member’s characteristics enter the encounter.
| Time | Focus | Question to carry into the chapter |
|---|---|---|
| 00:00 | The perspective and limited effects. | Which characteristic could change the response to a common message? |
| 01:45 | Sources of difference and audience motives. | How might the purpose of media use shape attention? |
| 03:20 | Empathy, personality and emotional response. | Which construct best describes the proposed difference? |
| 05:20 | Dispositions and the television-satire example. | How can viewers enjoy the same programme for different reasons? |
| 06:45 | Audience activity and selective exposure. | What does the audience member select, examine and remember? |
Pause and apply
Choose a video that two people you know have discussed. Write down the different meanings they drew from it. Propose one characteristic that could help explain the difference, then state what additional evidence you would need.
After watching, return to the distinction between selection, processing and outcomes. Locate your explanation at the appropriate point and identify what the example actually demonstrates.
Test the distinctions that make an explanation precise.
Choose an answer before opening each explanation. Use any uncertain answer to locate the concept you need to revisit.
01What is the central concern of the individual-differences perspective?
- Explaining why every viewer accepts a message.
- Explaining variation in media responses through audience characteristics and conditions.
- Measuring only the total number of people reached.
- Classifying all members of an age group as psychologically identical.
Reveal the answer and explanation
Answer: B. The perspective connects variation in selection, processing and outcomes with characteristics of audience members and their circumstances.
02Two viewers watch the same interview but focus on different exchanges. Which process is most directly illustrated?
- Selective retention.
- Self-efficacy.
- Selective attention.
- A change in ownership.
Reveal the answer and explanation
Answer: C. Attention concerns the parts of available content that receive a viewer’s focus. Retention concerns what is remembered afterwards.
03A viewer enjoys carefully working through competing arguments. Which construct most directly describes this inclination?
- Need for cognition.
- Total exposure time.
- Global self-esteem.
- Programme reach.
Reveal the answer and explanation
Answer: A. Need for cognition concerns the tendency to engage in and enjoy effortful thinking. It addresses motivation to think.
04Which statement describes self-efficacy?
- I feel that I am a person of worth.
- I prefer this presenter’s style.
- I remember seeing the programme.
- I believe I can carry out this particular task.
Reveal the answer and explanation
Answer: D. Self-efficacy concerns perceived capability to perform an action. Self-esteem concerns evaluation of the self.
05A campaign’s effect differs according to prior knowledge. What role is prior knowledge proposed to play?
- The final outcome.
- A moderator.
- The random-assignment procedure.
- The campaign’s distribution channel.
Reveal the answer and explanation
Answer: B. A moderator changes the relationship between exposure and an outcome. The study should test the interaction directly.
06A film improves comprehension, which then contributes to better task performance. What role is proposed for comprehension?
- A demographic label.
- The exposure condition.
- A mediator.
- The sampling frame.
Reveal the answer and explanation
Answer: C. A mediator lies on a proposed causal pathway. Evidence about sequence and alternative explanations is needed to evaluate that pathway.
07What is the central lesson of the Vidmar–Rokeach study for an analysis of satire?
- Enjoyment always reduces prejudice.
- Producers can infer interpretation directly from popularity.
- Every viewer supports the same character for the same reason.
- Prior attitudes can accompany different interpretations of the same programme.
Reveal the answer and explanation
Answer: D. The study links differences in prior prejudice with differences in reception. Enjoyment, interpretation and attitude change require distinct evidence.
08How should a researcher use the Big Five?
- As dimensions for measuring tendencies and testing specified relationships.
- As five fixed audience types that determine every choice.
- As a substitute for measuring prior knowledge.
- As a diagnosis inferred from one viewing choice.
Reveal the answer and explanation
Answer: A. The Big Five describe broad dimensions. A study still needs measures, a proposed process and evidence concerning the situation.
09Two equally sized groups show treatment effects of +2 and −2 points. What follows?
- Neither group can have responded to the message.
- The pooled effect must be +2.
- The pooled effect can be zero while the group effects differ.
- All future samples must show this pattern.
Reveal the answer and explanation
Answer: C. Equal and opposite effects cancel in this numerical example. A real claim about differing effects requires direct estimation and uncertainty assessment.
10Which three forms of susceptibility does the DSMM distinguish?
- Exposure, attention and retention.
- Dispositional, developmental and social.
- Ownership, advertising and distribution.
- Intelligence, age and screen size.
Reveal the answer and explanation
Answer: B. The DSMM combines dispositional, developmental and social susceptibility with attention to the processes through which responses occur.
Turn audience variation into a researchable question.
Activity 1 · Compare two readings of one message
Choose a short, accessible media item on a topic suitable for classroom discussion. Invite two consenting adults to view it and explain its main point in their own words.
- Record the message: state its source, form, intended audience and apparent purpose.
- Record the readings: ask what each person noticed, understood, felt and remembered.
- Propose a process: connect one difference in response with a plausible characteristic or circumstance.
- Consider alternatives: inspect language, prior exposure, viewing conditions and personal relevance.
- State the evidential limit: explain what a larger, more structured study would need to establish.
Suggested output: an 800–1,000-word account including a short description of the item, a comparison of the readings and a proposed follow-up study. Use participants’ accounts respectfully and remove identifying details.
Activity 2 · Improve a teaching message
Design two versions of a short explanation: one introducing the topic and one developing a worked example. Specify the learners’ starting knowledge and the task they should perform afterwards.
Explain why the versions might help different learners. Then propose a comparison that could test that expectation. Include comprehension and performance measures, alongside a question about the learner’s experience.
A quantitative research design
Research question: does prior knowledge alter the effect of a recycling-instruction video on sorting performance?
| Element | Operational choice | Reason for the choice |
|---|---|---|
| Audience characteristic | A knowledge test completed before exposure, analysed as a score. | Establish a relevant starting condition and preserve variation across people. |
| Exposure | Random assignment to the instructional video or a suitable comparison video. | Create a defined contrast between the messages encountered. |
| Proposed process | A comprehension task after exposure and before the performance task. | Assess understanding at a time consistent with the proposed pathway. |
| Primary outcome | The number of items correctly sorted in a standardised task. | Observe a clearly defined performance under common conditions. |
| Additional conditions | Language proficiency, familiarity with the materials and viewing conditions. | Examine relevant alternatives and describe the study setting. |
| Analysis | Estimate exposure, prior knowledge and their interaction, with uncertainty. | Test whether the video’s effect varies with starting knowledge. |
Define the primary question and analysis before inspecting the results. Keep knowledge continuous where the measurement supports it. Arbitrary “high” and “low” splits discard information and can make a pattern depend on the chosen dividing point.
The central statistical question concerns the exposure × prior-knowledge interaction. Plot the estimated exposure effect over the observed knowledge range and include uncertainty. Interpret the pattern in relation to the task and the sample.
If you also examine mediation through comprehension, state the extra causal assumptions involved. Random assignment to a video establishes the exposure contrast; comprehension itself remains a measured post-exposure variable in this design.
A qualitative research design
Research question: how do viewers with different prior commitments interpret a satirical character?
Use a purposive sample, collect accounts of prior views, show the same material under comparable conditions and invite open explanations. Code interpretations, emotional reactions and character evaluations separately. Examine unexpected and contradictory cases, and document how the interpretation was developed.
Examination and seminar prompts
- Explain the individual-differences perspective using one message and two possible audience responses.
- Distinguish selective exposure, attention, perception and retention with examples.
- Discuss how motives, personality, prior knowledge and confidence can enter media processing.
- Explain what the Vidmar–Rokeach study contributes to research on reception.
- Distinguish moderation from mediation and propose a design for each.
- Assess the contribution of individual differences while considering social context and practical resources.
Keep the explanation close to the person, process and evidence.
Key terms
- Individual differences
- Variation among people in characteristics, experiences, capacities and purposes relevant to an inquiry.
- Media effect
- A change or pattern in knowledge, feeling, evaluation or behaviour attributable to a media encounter under specified conditions.
- Limited-effects tradition
- Research emphasising the conditions and other influences surrounding media power.
- Disposition
- A relatively enduring tendency that can enter selection or response.
- Trait
- A relatively stable dimension of thought, feeling or behaviour.
- State
- A condition experienced at a particular time, such as fatigue or excitement.
- Motive
- A purpose or desired reward that helps organise action.
- Instrumental use
- Comparatively purposeful and selective media use oriented towards particular content or goals.
- Ritualized use
- Comparatively habitual media use embedded in routine and affinity with the medium.
- Audience activity
- The selection, interpretation, comparison, discussion or creation undertaken in media use.
- Selective exposure
- Preferential selection of information; in attitude research, often a preference for congenial information.
- Selective attention
- Differential concentration on features of available content.
- Selective perception
- Interpretation shaped by prior beliefs, expectations and experience.
- Selective retention
- Differential remembering of encountered information.
- Cognitive dissonance
- Psychologically uncomfortable inconsistency among relevant cognitions that can motivate efforts to reduce it.
- Prior knowledge
- Relevant understanding already available before the media encounter.
- Need for cognition
- A tendency to engage in and enjoy effortful thinking.
- Self-esteem
- A person’s evaluation of self-worth.
- Self-efficacy
- A person’s belief in the capability to perform a particular action.
- Big Five
- Openness, conscientiousness, extraversion, agreeableness and neuroticism: broad personality dimensions.
- Empathy
- A multidimensional construct involving responses to, and understanding of, another person’s experience.
- Empathic concern
- Other-oriented feelings of care and concern.
- Personal distress
- Self-oriented discomfort in response to another person’s distress.
- Moderator
- A variable that changes the relationship between an exposure and an outcome.
- Mediator
- A variable on a proposed causal path connecting exposure with an outcome.
- Interaction
- A pattern in which the effect of one variable varies according to another variable.
- Heterogeneity
- Variation in effects or other relationships across people, settings or conditions.
- Differential susceptibility
- Variation in responsiveness to media associated with dispositional, developmental or social conditions.
- Reciprocal relationship
- A relationship in which media use and outcomes can influence one another over time.
- Operationalisation
- The translation of a concept into a stated procedure for observation or measurement.
Further reading
Begin with the readings closest to your question. The foundational texts establish the perspective; the empirical studies and later models help develop a more specific investigation.
- DeFleur, M. L., & Ball-Rokeach, S. J. (1989). Theories of mass communication (5th ed.). Longman. Read ↗A foundational account of selective influence within communication theory.
- Klapper, J. T. (1960). The effects of mass communication. Free Press. Read ↗Locate media influence among other influences in a total situation.
- Festinger, L. (1957). A theory of cognitive dissonance. Stanford University Press. Read ↗Examine inconsistency, motivation and information-related responses.
- McGuire, W. J. (1968). Personality and attitude change: An information-processing theory. In A. G. Greenwald, T. C. Brock, & T. M. Ostrom (Eds.), Psychological foundations of attitudes (pp. 171–196). Academic Press. Read ↗Distinguish reception and yielding in a process account of persuasion.
- Vidmar, N., & Rokeach, M. (1974). Archie Bunker’s bigotry: A study in selective perception and exposure. Journal of Communication, 24(1), 36–47. Read ↗Investigate prior prejudice, character evaluation and reception of satire.
- Rubin, A. M. (1983). Television uses and gratifications: The interactions of viewing patterns and motivations. Journal of Broadcasting, 27(1), 37–51. Read ↗Connect audience purposes with viewing patterns.
- Rubin, A. M. (1984). Ritualized and instrumental television viewing. Journal of Communication, 34(3), 67–77. Read ↗Study differing orientations towards television use.
- Reiss, S. (2000). Who am I? The 16 basic desires that motivate our behavior and define our personality. Jeremy P. Tarcher/Putnam. Read ↗Explore a general motivational framework discussed in my lecture.
- Reiss, S. (2004). Multifaceted nature of intrinsic motivation: The theory of 16 basic desires. Review of General Psychology, 8(3), 179–193. Read ↗Read the research argument for the sixteen-desire framework.
- John, O. P., & Srivastava, S. (1999). The Big Five trait taxonomy: History, measurement, and theoretical perspectives. In L. A. Pervin & O. P. John (Eds.), Handbook of personality: Theory and research (2nd ed., pp. 102–138). Guilford Press. Read ↗Review the broad trait dimensions and their measurement.
- Cacioppo, J. T., & Petty, R. E. (1982). The need for cognition. Journal of Personality and Social Psychology, 42(1), 116–131. Read ↗Study individual differences in the inclination towards effortful thought.
- Rosenberg, M. (1965). Society and the adolescent self-image. Princeton University Press. Read ↗Read a foundational treatment of self-esteem.
- Bandura, A. (1977). Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84(2), 191–215. Read ↗Connect perceived capability with action and persistence.
- Davis, M. H. (1983). Measuring individual differences in empathy: Evidence for a multidimensional approach. Journal of Personality and Social Psychology, 44(1), 113–126. Read ↗Distinguish dimensions of empathy and their measurement.
- Raney, A. A. (2004). Expanding disposition theory: Reconsidering character liking, moral evaluations, and enjoyment. Communication Theory, 14(4), 348–369. Read ↗Explore character evaluation and entertainment enjoyment.
- Hart, W., Albarracín, D., Eagly, A. H., Brechan, I., Lindberg, M. J., & Merrill, L. (2009). Feeling validated versus being correct: A meta-analysis of selective exposure to information. Psychological Bulletin, 135(4), 555–588. Read ↗Examine evidence about congenial information selection and its conditions.
- Valkenburg, P. M., & Peter, J. (2013). The Differential Susceptibility to Media Effects Model. Journal of Communication, 63(2), 221–243. Read ↗Connect susceptibility with cognitive, emotional and excitative responses.
- Valkenburg, P. M., Peter, J., & Walther, J. B. (2016). Media effects: Theory and research. Annual Review of Psychology, 67, 315–338. Read ↗Place conditional and transactional perspectives in the wider research field.
My lecture: Individual Differences Theory and Media Effects ↗
Six statements to retain
- People enter media encounters with different knowledge, motives, dispositions and experiences.
- Selection, attention, interpretation and retention identify distinct questions about reception.
- Understanding, enjoyment, agreement and action require different measures.
- A personal characteristic becomes explanatory through a specified process and context.
- Variation in effects needs direct evidence, including appropriate tests and uncertainty.
- Social relationships, media arrangements and practical resources help shape what an encounter can accomplish.
