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Theoretical Foundations: How Six Major Perspectives Explain Social Behavior
Advanced Social Psychology · Chapter 1: Introduction to Social PsychologySection 1.2 · lesson 2 of 8513 min · free with a free account
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In this lesson
Six lenses on social behavior, and the art of knowing which one to pick up.
- Identify the 6 major theoretical perspectives
- Compare their assumptions and explanatory mechanisms
- Apply each lens to real social behavior
- Evaluate the strengths and limits of each
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Everything said in the video, section by section (1,648 words). Read along, or search it.
Introduction to Social Psychology
Theoretical Foundations
A theory is not a decoration you add once the data is in. It is the thing that decided what data you collected in the first place. Social psychology runs on six major theoretical perspectives. Each one is a lens, and each lens has a bias built into it. That is not a flaw. It is how a lens works. A lens brings some features into focus by pushing others out of frame. This section names all six, and explains what each one assumes. It looks at the mechanism each proposes, and the criticism each has attracted. And it argues for using several at once, rather than picking a favorite. By the end, you should be able to hear a claim and identify the perspective behind it.
Why Theory Matters
A Lens Decides What You Can See
Start with the question students usually skip. Why bother with theory at all? Theory in social psychology is not mere abstraction. It is the conceptual scaffolding of the whole enterprise. It determines which phenomena get studied, and how they are measured. It even determines what counts as an explanation in the first place. Three consequences follow, and each one is practical. First, a perspective selects. It is a lens, so it highlights and it hides. Second, knowing the perspectives lets you evaluate a research claim properly. You can see the assumptions the researcher did not state out loud. Third, and this is the important one, no single framework has proven adequate. None of the six explains the full breadth of social behavior alone, so the field now takes an integrative stance. It draws on evolutionary, cognitive, cultural and motivational accounts at once. The mark of sophistication is knowing which lens illuminates which phenomenon.
The Six
Every Perspective on One Page
Here are all six on one page, before we take them one at a time. Read the second column first. That is where each perspective makes its commitment. The evolutionary perspective assumes behavior was shaped by natural selection. Its names are Buss, Trivers and Hamilton. The sociocultural perspective assumes behavior is embedded in cultural context. Vygotsky, Markus and Kitayama, and Triandis are the theorists here. Social learning theory assumes behavior is acquired by observation and reinforcement, and that is Bandura, Rotter and Mischel. The cognitive perspective assumes mental representations govern social behavior. Fiske and Taylor, Nisbett, and Kahneman are the names to know. Motivational accounts assume behavior is driven by fundamental psychological needs. Maslow, Deci and Ryan, and Festinger sit here. And the interactionist perspective assumes person and situation act jointly, in work by Lewin, Mischel and Magnusson.
Perspective 1
Evolutionary: Behavior as Inherited Strategy
Perspective one. The evolutionary account. Its core claim is that human social behavior reflects adaptations, shaped by millions of years of evolutionary pressure. So altruism, cooperation, aggression and mate selection get reread. They become strategies that historically maximized inclusive fitness. Inclusive fitness theory comes from Hamilton, in nineteen sixty-four. It explains why someone sacrifices their own interests for a genetic relative. Reciprocal altruism, from Trivers in nineteen seventy-one, is the second pillar, and parental investment theory is the third. Together they target patterns that would otherwise look paradoxical. Buss, in nineteen eighty-nine, added cross-cultural evidence. Sex differences in jealousy and mate preferences show up across diverse cultures. Now the objection, because it is a serious one. Critics point to post hoc adaptationism. That means retrofitting an evolutionary story onto a pattern you already observed. Such hypotheses are also, by their nature, genuinely hard to test with rigor.
Perspective 2
Sociocultural: The Mind Is Culturally Furnished
Perspective two takes the opposite starting point. The sociocultural view holds that psychological processes are shaped by culture. Not decorated by culture. Constituted by it, at the level of process. The landmark work is Markus and Kitayama, in nineteen ninety-one. They distinguished independent from interdependent self-construals, which shape self-concept, motivation, emotion and cognition. Triandis, in nineteen ninety-five, gave the field the individualism and collectivism dimension. It is now one of the most widely studied cross-cultural variables anywhere. The documented effects are not small. Conformity rates, attribution styles, and relationship norms all vary along it. Here is the study that makes it sharp. Morris and Peng, in nineteen ninety-four, asked how people explain a mass shooting. American participants made more dispositional attributions, focused on the perpetrator's character. Chinese participants made more situational ones, focused on contextual pressures. Same event, systematically different explanation. That challenges the claim that the fundamental attribution error is universal.
Perspective 3
Social Learning: You Can Learn Without Doing
Perspective three. Social learning theory, from Albert Bandura in nineteen seventy-seven. It extended behaviorist accounts of learning, and then broke them. Bandura showed that humans acquire behaviors through observation, and through vicarious reinforcement. They learn without ever experiencing the outcome themselves. The classic demonstration is the Bobo doll experiment. Children imitated aggressive behavior that adults had modeled for them. Crucially, they did it in the absence of any direct reinforcement. Notice what that rules out. A strict reinforcement account cannot explain learning with no reinforcement of the learner. So something has to be doing the work in between. Bandura's answer was cognition, mediating observed behavior and its enactment. He later reformulated all of this as Social Cognitive Theory, in nineteen eighty-six. And he put self-efficacy at the center: your belief in your own capacity to execute a behavior. Bandura made it the primary determinant of persistence and achievement.
Perspective 4
Cognitive: The Mind as an Information Processor
Perspective four is the one that dominates current research. The cognitive perspective emerged from the cognitive revolution of the nineteen fifties and sixties. It examines how mental structures and processes govern social perception and judgment. Three constructs sit at the center of it. Schemas are organized knowledge structures. They guide attention, encoding, and retrieval. Attributions are causal explanations for behavior. They are the perceiver's answer to a simple question. Why did they do that? Heuristics are cognitive shortcuts, and sections one point five and one point six take them apart. Anchoring all of this is one memorable phrase. Fiske and Taylor, in nineteen eighty-four, called the human being a cognitive miser. The idea is that we conserve cognitive resources by using simplified rules of thumb. Treat mental effort as a budget, and the mind spends it reluctantly.
Perspective 5
Motivational: Behavior Is Going Somewhere
Perspective five asks a different question entirely. Not what does the mind compute, but what does the person want? Motivational accounts hold that social behavior is goal-directed and need-driven. Three theories carry most of the weight here. Festinger's cognitive dissonance theory, from nineteen fifty-seven, is the first. People are motivated to reduce the discomfort of inconsistent cognitions. That drive can produce attitude change, self-justification, or behavioral modification. Second, Deci and Ryan's self-determination theory, from nineteen eighty-five. It identifies three basic psychological needs: autonomy, competence, and relatedness. Their satisfaction is what underlies intrinsic motivation and well-being. Third, Baumeister and Leary, writing in nineteen ninety-five. Their need to belong hypothesis treats social connection as a fundamental human motivation. It carries pervasive consequences for cognition and for behavior.
Perspective 6
Interactionist: The Debate That Ended in a Draw
Perspective six is the one that resolved an old fight. The interactionist view is articulated most powerfully in Lewin's field theory. It rejects pure trait explanations, and it rejects pure situationist ones. The formula is the one you already met. B equals f of P and E. Behavior is a joint function of the person and the environment. The person side means traits, dispositions and goals; the environment side means pressures, norms, and physical context. Now the fight itself. Walter Mischel published a critique of trait psychology in nineteen sixty-eight. It revitalized situationist thinking, and it started the person-situation debate. That debate ran for years, and neither side won it. The resolution was interactionist, and it is worth reading precisely. Behavior is most reliably predicted by knowing both the individual and the situation. Including, and this is the part people drop, their interaction.
Putting Them Together
Six Lenses, One Episode
So how do the six fit together? The tempting picture is a contest, with one winner and five losers. That picture is wrong, and it is worth saying why. Take a single episode of social behavior. A teenager copies a friend's opinion. The evolutionary lens treats cooperation as a strategy that once paid off in fitness. The sociocultural lens asks whether the culture rewards fitting in or standing out. Social learning theory sees a model, and the consequences the model received. The cognitive lens looks at the schemas that made the opinion easy to absorb. The motivational lens points at the need to belong. And the interactionist lens asks which teenager, in which room. Six answers, and none of them is a refutation of the others. That is what an integrative stance actually looks like in practice.
Reading Critically
Four Questions to Ask Any Perspective
Comparing perspectives is a skill, not a memory task. The same four questions work on all six of them. One. What is the core assumption? What does it take for granted? Two. What is the unit of analysis? The gene, the culture, the model, the schema, the need, or a pairing? Three. What is the explanatory mechanism? By what actual route does the proposed cause reach the behavior? Four. What are the limits? Which phenomena does this lens push out to the periphery? And what criticism has it already attracted from inside the field? The failure mode is treating a perspective as true rather than as selective. Every lens buys its clarity by leaving something out of the frame.
Consolidate
What to Carry Into the Rest of the Course
Let us gather the six, because they recur for the rest of this course. Evolutionary. Altruism, aggression and mate choice as fitness-maximizing strategies. Sociocultural. Behavior embedded in cultural systems, where individualism and collectivism moderate classic effects. Social learning. Behavior acquired by observation, with self-efficacy as the mediating construct Bandura introduced. Cognitive. Schemas, heuristics and attribution shape how social information is read. Motivational. Dissonance and self-determination theory treat behavior as goal-directed tension reduction, driven by fundamental needs. Interactionist. Neither personality nor situation alone explains behavior; their interaction is what does the predicting. One habit to carry forward, then. When someone claims something about social behavior, ask which perspective is speaking. The answer usually explains both what the claim sees and what it misses.
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Advanced Social Psychology (Psychology 310) is a self-paced online course of 85 video lessons in 12 chapters, from attitudes, persuasion and the self to prejudice, attraction and relationships, conformity and obedience, helping, aggression and social life online. It carries a NCCRS credit recommendation for 3 semester credits.
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