Chapter 4: Behavior and Attitudes
Welcome to Last Minute Lecture.
This free chapter overview is designed to help students review and understand key concepts.
These summaries supplement not replace the original textbook and may not be redistributed or resold.
For complete coverage, always consult the official text.
Imagine you are sitting alone in a university laboratory, just completely by yourself, and a researcher has just handed you a coin and given you a choice between two tasks.
Right, one of those tasks is highly appealing, like you can earn raffle tickets for a $30 prize.
Exactly.
But the other task is agonizingly dull.
I mean, just totally boring and it offers zero rewards.
So you have to assign one task to yourself and the other task to the next participant who walks through the door.
And keep in mind, you've already told the researchers that you consider yourself a highly moral person.
You know the fair thing to do is flip the coin to decide who gets the rewarding task.
Right, so you're entirely alone in the room.
You flip the coin and it lands on the side assigning you the dull task.
Do you report the actual result or do you lie to get the raffle tickets?
Well, it's the ultimate test of moral hypocrisy.
Daniel Batson actually ran this exact experiment to see if people's internal moral compasses genuinely dictated their physical actions.
He even put clear stickers on the coin.
Right, so there was absolutely no ambiguity about what the flip meant.
Yes, exactly.
And the results completely challenge pretty much everything we assume about human integrity.
Because even among the participants who chose to flip the coin privately,
90 % still assign themselves the positive rewarding task.
Oh, it's wild.
24 out of 28 people who made the toss actively cheated when the coin didn't go their way.
And this is despite them claiming earlier that assigning the positive task to themselves without a fair process would be morally wrong.
It's honestly a little depressing.
But welcome to our last minute lecture deep dive.
Today we are unpacking chapter four of social psychology, 10th edition, behavior and attitudes.
And we're starting with this Batson study for a very specific reason.
Because for decades the foundational assumption of social psychology,
and you know public policy for that matter, was that our internal feelings determine our public behavior.
Like that old Ralph Waldo Emerson quote, the ancestor of every action is a thought.
Right.
And to really ground us before we get too far, we should probably define what psychologists actually mean by an attitude.
Okay, let's unpack this.
I know the textbook uses a really specific framework here.
Yeah, they use the ABCs of attitudes.
A great memory tool if you're studying for the exam.
So A is for affect, which means your feelings.
B is
tendency or your inclination to act.
And C is for cognition, which is your thoughts or beliefs.
So affect, behavior, tendency, cognition, the ABCs.
And the assumption was always that the A and the C, your feelings and thoughts automatically drove the B, your behavior.
Exactly.
Which implies this really linear equation for society, right?
If you want to change how people act, you just have to change their hearts and minds.
Which makes sense.
I mean, it's why billions of dollars are poured into awareness campaigns for everything from public health to climate change.
The idea is if you educate someone and shift their internal attitude, their behavior will just naturally follow.
But in 1969, a social psychologist named Alan Wicker published this comprehensive review.
He looked at dozens of research studies covering a huge variety of people and behaviors.
We're talking everything from student attitudes toward cheating to general attitudes toward religion and even racial dynamics, right?
Yeah, all of it.
And his conclusion fundamentally fractured that linear equation.
He found that expressed attitudes hardly predicted varying behaviors at all.
Wait, not at all.
Hardly at all.
So someone's self -reported attitude toward religion provided almost no insight into whether they would actually attend a religious service on a given Sunday.
Or a student's firm stance against cheating had very little bearing on whether they would, you know, peek at an answer key when the proctor left the room.
Exactly.
It's just we are all basically walking contradictions.
Like we possess an ideal self we talk about and an actual self that behaves entirely differently.
Honestly, it paints a pretty cynical picture of humanity.
If we are just a population of hypocrites, does what we feel on the inside matter at all?
Well, it sent researchers scrambling throughout the 1970s to figure out if measuring attitudes was just completely useless.
But what they eventually discovered is that attitudes do predict behavior, but only under highly specific, rigorously defined conditions.
Okay, so there are caveats.
Huge caveats.
The first condition is that we must minimize outside social influences when we measure the attitude.
Right, because what you say out loud isn't always what you genuinely believe.
The textbook notes that psychologists are generally only measuring expressed attitudes.
Yes.
If I'm surveyed about a sensitive social issue, I am hyper aware of the cultural expectations.
My conscious brain is going to apply a filter to ensure I don't look socially unacceptable to the researcher.
So how do we get around that filter?
Well, researchers develop tools to measure implicit or unconscious attitudes.
The most prominent one is the implicit association test, or the IAT.
This was heavily developed by Mazarin Banaji and her colleagues.
And rather than just asking you what you think, the IAT uses computer -based reaction times, right, to measure how quickly your brain automatically associates concepts.
Exactly.
For example, it measures implicit racial attitudes by assessing if a participant takes milliseconds longer to pair positive words with black faces compared to white faces.
And the underlying mechanism here is actually biological, which is fascinating.
Neuroscientists have used fMRI scans to show that the amygdala, which is the brain's primitive threat processing center, physically lights up when people with high unconscious bias view unfamiliar faces of another race.
Right.
It's processing a novel stimulus as a potential threat before the prefrontal cortex can even intervene and apply the person's conscious egalitarian values.
That tension between the amygdala and the prefrontal cortex,
that perfectly illustrates what psychologists call dual processing, doesn't it?
Yes, dual processing.
It means we operate on two tracks simultaneously.
We have automatic, habitual, unconscious thinking, and we also have controlled, deliberate, conscious thinking.
But wait, I do want to bring up a caveat from the textbook.
Yeah.
Because is this IAT test completely foolproof for judging a single person?
Like, can I take it and know my exact moral standing?
Oh, absolutely not.
The source text, make sure to include notes from detractors on this.
The IAT is not a flawless diagnostic tool for the individual soul.
So if I take the IAT and show a slowed reaction time, researchers can't definitively prove why.
Like, is that delay driven by Leighton hostility or a feeling of historical guilt or maybe just a lack of visual familiarity with certain faces?
Right.
You can't use it like a definitive aptitude test for a single person.
It is highly valuable for identifying broad systemic patterns across populations, but it's really noisy at the individual level.
Which brings us to the second condition required for attitudes to predict behavior, which is the principle of aggregation.
I love this concept.
The textbook's analogy for this is just perfect.
It says, predicting human behavior based on a general attitude is like predicting a baseball player's performance on a single swing.
Right.
You cannot look at a batter with a 300 average and guarantee they will get a hit during their 8 p .m.
at bat on a Tuesday.
There is just too much localized noise.
You know, the wind, a bad call by the umpire, a momentary distraction.
But if you aggregate or average out their performance over 100 games, that 300 average predicts their total hits with incredible accuracy.
And human behavior operates under the exact same statistical reality.
If we measure a person's general attitude toward environmentalism, we cannot predict if they will remember to recycle a specific plastic bottle on a chaotic Tuesday morning.
But we can highly accurately predict their total recycling behavior over the course of a calendar year.
Exactly.
Okay, that makes perfect statistical sense, but it poses a practical problem.
What if a psychologist or a doctor needs to predict a highly specific single action?
Like, what if they need to know if a patient is going to go for a jog today?
Then you move to the third condition, which is specificity.
Your measurement must be laser focused on the exact situation.
Isaac Eisen and Martin Fischbein map this out in their theory of planned behavior.
So a broad attitude like I value health is useless for predicting a jog.
Completely useless because health is an abstract concept.
To predict the actual physical behavior of putting on running shoes, Eisen and Fischbein's model requires three very specific inputs.
Okay, what are they?
First,
what is your attitude toward the specific costs and benefits of jogging?
Not health, but jogging.
Second, what are the subjective social norms?
Like, do your friends jog or do they think jogging is a waste of time?
Right.
And third, what is your perceived behavioral control?
Do you actually believe you have the physical stamina and the free time to complete the run?
Ah, so only when those three specific criteria align do you form a firm behavioral intention.
And that intention is what reliably predicts the action.
Exactly.
And there's one final crucial element required to make an attitude translate into action,
potency.
The attitude must be active and in the forefronts of your mind.
Which brings us back to that Batson coin flip study from the very beginning, the one where 90 % of the people cheated to get the raffle tickets.
Yes.
So Batson ran the exact same experiment again, but with one tiny environmental alteration.
He placed a large mirror directly in front of the participants while they flipped the coin.
Wait, really?
Just a mirror?
So they are forced into a state of acute self -awareness.
They literally have to watch themselves make the decision.
And the change in behavior was staggering.
With the mirror present, the coin flip became scrupulously fair.
Exactly half of the self -conscious participants assigned the other person to the positive task.
Wow.
By forcing them to look at their own reflection, the environment stripped away their automatic selfish impulses.
It forced their prefrontal cortex to reconcile their physical action with their internal moral identity.
So the attitude became potent and it drove the behavior.
Precisely.
But here's where it gets really interesting.
That mirror mechanism assumes the thought exists first and the mirror just forces the action to align with it.
But as we move into the second half of this chapter, the neurobiology kind of throws a massive wrench into that assumption.
It really does.
The textbook pivots to one of the most counterintuitive concepts in all of psychology.
What if the arrow of causality frequently points the opposite direction?
What if our physical actions are actually manufacturing our beliefs?
Yeah, the idea is we don't just think ourselves into a way of acting.
We act ourselves into a way of thinking.
And the foundational evidence for this comes from Michael Ghazaniga's research on split brain patients.
This is fascinating stuff.
So for severe medical conditions like epilepsy, surgeons will sometimes sever the corpus callosum, right?
Which is the neural bridge connecting the left and right hemispheres of the brain.
Right, which creates an incredible opportunity to see how the brain processes physical action because the left side of the brain controls language and logic while the right side is generally nonverbal.
Okay.
So Ghazaniga's team would isolate the visual field and flash the command smile solely to the patient's nonverbal right hemisphere.
So only the right half sees it.
Exactly.
And the patient's face would obediently form a smile.
But then the researchers would ask the patient out loud, why are you smiling?
And the verbal left hemisphere, which had not seen the command, is suddenly confronted with the physical reality of a smiling face.
It has no idea why it's happening.
But it doesn't admit ignorance.
It immediately invents a post hoc rationalization.
The patient would say, this experiment is very funny.
That is wild.
The physical contraction of the facial muscles literally produced the conscious mental belief that the situation was humorous.
The brain observed the body's action and just hallucinated an attitude to match it.
And we see this neurological phenomenon scale up into complex social environments, mostly through role playing.
When you adopt a new social role, say your first week in a corporate management position, you often feel a sense of imposter syndrome.
Oh, for sure.
You're hyper aware of your posture, your vocabulary, the way you sit at the desk.
Faking an attitude.
But inevitably, that artificial mask fuses with your actual face.
The role becomes your genuine reality.
And Philip Zimbardo's Stanford prison experiment is the textbook's darkest illustration of this blurring.
He took a group of psychologically healthy, normal college students and randomly assigned them to play either guards or prisoners in a simulated basement prison.
And Zimbardo expected a gradual adjustment.
But instead, the role playing became a terrifying reality almost immediately.
The quote unquote guards began exhibiting genuine creative cruelty, and the prisoners broke down completely.
Zimbardo explicitly noted that this wasn't a case of putting bad apples in a bad barrel.
The toxic authoritative role itself reprogrammed the individuals.
The textbook draws direct unsettling parallels to the real life degradation of prisoners by military personnel at Abu Ghraib.
When you are given a uniform and a behavioral script, your internal morality will violently contort itself to justify the actions that the role demands.
Well, it doesn't even require an environment of high stakes tension, does it?
The text mentions Ray Hyman, a psychologist who worked as a palm reader in his youth.
Oh, this is a great example.
He started as a firm skeptic, essentially just reciting a script to make some extra money.
But because he physicalized the was a genuine supernatural phenomenon.
Right.
The only thing that broke the illusion was a colleague challenging him to give readings that were the exact opposite of what the client's hand lines supposedly dictated.
And when the clients were still completely amazed by the fake readings, Hyman realized his belief was entirely a byproduct of his own performance.
Which brings us to a highly exploitable mechanism for behavioral change, the foot in the door phenomenon.
If you commit to a massive fundamental shift in their beliefs, you never ask for the massive shift upfront.
You engineer a scenario where they perform a tiny, seemingly inconsequential physical action first.
Exactly.
The classic California driveway study perfectly isolates this mechanic.
Researchers posed as volunteers and ask homeowners to install a massive, poorly painted drive carefully sign completely ruining their front yards.
And unsurprisingly, only 17 % But with a separate neighborhood, the researchers first asked homeowners to simply display a tiny, unobtrusive, be a safe driver sticker in their front window.
It was such a small physical action that almost everyone agreed.
And then two weeks later, they returned to that second group and asked them to install the massive, ugly yard sign.
And 76 % of them consented.
Because installing that initial tiny sticker wasn't just a favor.
It was a physical action that subtly rewrote their identity.
Their internal narrative shifted from I'm a private homeowner to I am the kind of person who actively participates in community safety initiatives.
Exactly.
When the large requests came, their attitude had already been altered by their initial behavior.
This escalates drastically when we look at destructive behaviors too.
The textbook details a genuinely chilling experiment illustrating how killing begets killing.
The bug experiment.
Yes.
Researchers built a machine that to grind up live bugs.
Students were coaxed into dropping a few bugs into this machine, though a hidden mechanism actually saved the bugs from any harm.
But the students didn't know that.
Right.
And the students who were manipulated into this initial killing phase were later left alone with the machine and a supply of bugs.
During this self -paced period, they voluntarily killed a significantly higher number of bugs compared to a control group.
Because the initial action was to desensitize them.
Once you commit a harmful physical act, your brain cannot tolerate the idea that you are a bad person doing bad things.
So it rewrites your attitude toward the victim to justify the action.
Okay.
So whether it's putting a sign on the yard, role playing a guard or acting out a palm reading, our brains are rewriting our beliefs to match our actions.
But why?
What is the actual psychological machinery humming away inside our heads that forces this alignment?
Well, the textbook explores three major competing theories to explain the why.
The first is self -presentation theory, which is heavily rooted in impression management.
This one feels highly pragmatic to me.
We're hyper social primates.
If our actions completely contradict our stated beliefs, we appear erratic, hypocritical and untrustworthy to the rest of the tribe.
And in evolutionary terms,
losing social capital is dangerous.
So self -presentation theory argues that we consciously adjust our expressed attitudes to match our behaviors simply to manage how others perceive us.
We're basically doing automatic PR control to maintain group cohesion.
Exactly.
But that explains the public adjustments and researchers quickly realized it doesn't explain the whole picture because people will fundamentally change their attitudes even when they are completely isolated and no one will ever know about their contradictory behavior.
Right.
Impression management cannot explain changes that occur in total privacy, which leads to theory number two, Leon Festinger's cognitive dissonance theory.
Cognitive dissonance has almost become a buzzword in modern culture,
but Festinger's original definition is highly specific.
It is the physiological and psychological tension that arises when a person is simultaneously aware of two inconsistent cognitions.
It's an intense lack of internal harmony.
It acts almost like a homeostatic drive, similar to hunger or thirst.
Just as your body feels physical discomfort when it needs water, your mind feels acute, unpleasant tension when your actions betray your beliefs.
To resolve that tension and return to equilibrium,
you have to engage in self -justification.
You adjust your thinking to accommodate the behavior.
The experiment Festinger and Carl Smith designed to prove this is a masterpiece of psychological manipulation.
It's the $1 versus $20 insufficient justification study.
Oh, this is a classic.
They had college students sit in a room for an hour performing an agonizingly dull task, methodically turning wooden pegs on a board.
Afterward, the researcher asked the student to do them a favor, go into the waiting room and lie to the next participant, telling them the peg turning task was incredibly exciting and fun.
And the critical variable was the compensation.
They paid half the $20 to tell the lie, which was a substantial amount of money at the time.
They paid the other half only $1.
After the students delivered the lie, a different researcher recorded how much the students actually enjoyed the peg turning task.
Now, common sense dictates that the students paid $20 would report a higher enjoyment rate because they associate the task with a large reward.
But dissonance theory predicts the exact opposite, and the results proved it.
The students paid $20 had massive external justification.
Their internal monologue was simple.
The task was terribly boring, but I lied to the next guy because I wanted the $20.
Right.
There is no contradiction there.
The lie is fully justified by the cash.
No dissonance, no attitude change.
Exactly.
But the students paid $1 experienced severe internal conflict.
They're thinking, I consider myself an honest, decent person.
Yet I just lied directly to a peer's face for a measly single dollar.
$1 is fundamentally insufficient justification for compromising their integrity.
This creates crushing cognitive dissonance.
They can't take back the physical action of lying.
So the only way to resolve the physiological tension is to unconsciously alter their memory of the event.
Right.
They convinced themselves that the peg turning wasn't actually that bad.
They shift their internal attitude to make the lie true, resolving the dissonance.
They didn't have external justification, so they were forced to manufacture internal justification.
It's a brilliant survival mechanism for the ego.
But that mechanism relies on a pre -existing strong belief, the belief that I am an honest person.
What happens when we don't have a strong baseline belief at all?
Well, that gap is filled by theory number three, which is Daryl Ben's self -perception.
Yeah, he attached electrodes to students' faces and told them to contract specific muscle groups, essentially forcing their faces into a frown or a smile without ever using the words frown or smile.
He then had them view cartoons.
The students whose muscles were manipulated into a smile actually reported feeling significantly happier and rated the cartoons as funnier.
And Gary Wells and Richard Petty replicated this mechanism using headphones.
They asked students to test the fit of new headphones while listening to a recorded radio editorial.
Half the students were told to test the headphones by nodding their heads vertically, up and down.
The other half tested them by shaking their heads horizontally, side to side.
And the students physically nodding up and down ended up agreeing with the radio editorial significantly more than the ones shaking their heads.
Their brains observed the physical substrate, the neck muscles signaling yes, and the consciousness concluded, if my body is doing this, I must agree with the audio.
Right.
I am doing it.
Therefore, I must believe it.
This observation mechanism also perfectly explains the over -justification effect.
This occurs when you take someone who intrinsically loves an activity and you start offering them unnecessary external rewards for doing it.
Like taking a hobby you do just for the joy of it, like painting or baking and trying to turn it into a monetized side hustle.
Suddenly, the joy just evaporates.
Exactly.
Because of self -perception theory.
Before the money, your brain observed your behavior and concluded, I paint for hours, therefore I must love painting.
But once you introduce payment, your brain observes the same behavior but attributes a new cause.
It says, I am painting because I am being paid.
The external reward undermines the intrinsic motivation.
The brain reclassifies the joyful play as mandatory work.
Okay.
So as a student studying for an exam, I am looking at these two major engines of behavior.
Cognitive dissonance argues that I change my beliefs to relieve the agonizing internal tension of hypocrisy.
But self -perception argues that I coolly, rationally observe my physical actions to deduce my beliefs from scratch.
They seem to contradict each other.
Which mechanism is actually right for the exam?
The beautiful synthesis that the textbook provides is that both theories are completely correct, but they govern different territories of the mind.
Dissonance theory governs attitude change.
When you possess deeply entrenched, strongly defined beliefs and you commit an action that violates them, you experience the physiological fire of dissonance and you alter your attitude to put the fire out.
That's the one dollar lie, the tension of acting against a strong identity.
Correct.
Self -perception theory, on the other hand, governs attitude formation.
When you enter a novel situation where your beliefs are weak or non -existent, there is no tension because there is no established baseline to violate.
In those moments, you simply observe your own actions, your posture, your nodding head, the uniform you just put on, to build the new attitude from the ground up.
Wow, that perfectly frames the entire landscape of Chapter 4.
We started with the comfortable illusion that our thoughts are the rational captains of our physical ships.
But we learned that the reality is deeply conditional.
Our internal attitudes only predict our external actions when social pressures are minimized, when the measurement is highly specific to the behavior, and when a mirror or a moment of self -awareness makes the attitude incredibly potent.
And crucially, we mapped the reverse dynamic.
Through split -brain research, role -playing in simulated prisons, and foot -in -the -door manipulations, we see that physical actions frequently manufacture our internal realities.
We use self -justification to cure cognitive dissonance, and we use self -perception to build our identities out of our habits.
The implications of this are massive, especially when we step out of the textbook and look at modern digital landscape.
According to self -perception theory, your brain builds your worldview by watching your physical actions.
Yeah, it is the core takeaway.
The action precedes the belief.
Which leaves us with a rather unsettling thought experiment regarding algorithmic feeds.
You are sitting on your couch, mindlessly scrolling.
Out of pure boredom, your thumb clicks on a slightly controversial or ideologically extreme video.
The algorithm notes the click and feeds you another.
You click again, purely out of momentum.
But your brain is watching your thumb.
Exactly.
It observes you spending an hour physically engaging with this specific ideological content.
According to BEM's theory, your brain will eventually look at your physical scrolling behavior and conclude, I am spending all my time clicking on this ideology.
I must genuinely believe in it.
Your physical interactions with a purely mathematical algorithm might literally be building your deepest political and social attitudes from scratch without you ever making a conscious choice.
It really suggests that whoever controls the physical architecture of our daily habits inevitably controls the architecture of our minds.
That is an incredible mechanism to keep in mind the next time you pick up your phone.
Well, on behalf of the last minute lecture team, thank you for joining us for this deep dive into chapter four.
We hope we've illuminated the hidden gears driving your and made your studying a little more intuitive.
Best of luck with your social psychology exams and keep questioning the source of your compass.
ⓘ This audio and summary are simplified educational interpretations and are not a substitute for the original text.
Using this chapter to study? Last Minute Lecture is free and student-run. If it helped, consider supporting the project.
Support LML ♥Related Chapters
- Attitudes, Beliefs & BehaviorA Textbook of Human Psychology
- Abnormal Behavior in Historical ContextEssentials of Abnormal Psychology
- Animal BehaviorCampbell Biology
- Behavior TherapiesSystems of Psychotherapy: A Transtheoretical Analysis
- Biological Bases of BehaviorMyers' Psychology for AP
- Carnivores Social BehaviorSociobiology: The New Synthesis