Course outline
Module 1
Module 1: What Belief Is and Why We Hold It
What Belief Is and Why We Hold It
Knowledge check
Q1. In psychology, what is a belief best described as?
- A. A conscious decision to accept a claim only after proof has been provided
- B. A mental representation that something is true, held with some degree of confidence
- C. A feeling of emotional attachment to a particular idea or person
- D. A behavior that is learned through repeated reward and punishment
Q2. Which of the following is an example of a belief rather than a fact?
- A. Water boils at 100 degrees Celsius at sea level
- B. The Earth orbits the Sun once every year
- C. Exercise is the most effective way to improve mood
- D. Humans have 206 bones in the adult body
Q3. What is meant by the term 'confirmation bias'?
- A. The tendency to seek out and favor information that supports what we already believe
- B. The tendency to remember events more accurately when they are emotionally intense
- C. The tendency to trust authority figures without questioning their claims
- D. The tendency to change beliefs immediately when presented with new evidence
Q4. Why do people often hold on to beliefs even when presented with contradictory evidence?
- A. Because the human brain cannot process new information after adulthood
- B. Because beliefs often serve social identity, emotional comfort, and a sense of consistency
- C. Because contradictory evidence is usually fabricated or unreliable
- D. Because beliefs are stored in a separate brain system unaffected by reasoning
Q5. What role do beliefs play in shaping how we interpret the world?
- A. They have no effect on perception, which is purely objective
- B. They act as mental filters that influence what we notice, remember, and how we interpret events
- C. They only affect decisions made in formal, professional settings
- D. They are fixed at birth and cannot be influenced by experience
Module 2
Module 2: Cognitive Biases That Shape Our Beliefs
Cognitive Biases That Shape Our Beliefs
Knowledge check
Q1. Which cognitive bias describes the tendency to search for, interpret, and remember information that confirms one's existing beliefs?
- A. Hindsight bias
- B. Confirmation bias ✓
- C. Anchoring bias
- D. Availability heuristic
Why: Confirmation bias leads people to favor information that supports what they already believe while overlooking or discounting evidence that contradicts it.
Q2. A person hears a few vivid news stories about plane crashes and begins to believe flying is extremely dangerous, despite statistics showing it is very safe. Which bias is most likely at work?
- A. Availability heuristic ✓
- B. Bandwagon effect
- C. Dunning-Kruger effect
- D. Sunk cost fallacy
Why: The availability heuristic causes people to judge the likelihood of events by how easily examples come to mind, and dramatic, widely reported events are more memorable.
Q3. After learning that a stock market crash occurred, someone insists they 'knew it all along' even though they gave no warning beforehand. What bias does this illustrate?
- A. Hindsight bias ✓
- B. Framing effect
- C. Halo effect
- D. Negativity bias
Why: Hindsight bias is the tendency to believe, after an outcome is known, that it was predictable, distorting memory of what one actually believed beforehand.
Q4. Which bias describes the tendency to rely too heavily on the first piece of information encountered when making a judgment?
- A. Anchoring bias ✓
- B. Optimism bias
- C. Actor-observer bias
- D. Self-serving bias
Why: Anchoring bias occurs when an initial reference point, such as a first price or first estimate, disproportionately influences subsequent judgments.
Q5. A person attributes their own failures to bad luck or circumstances but attributes others' failures to lack of effort or ability. Which bias is this?
- A. Fundamental attribution error ✓
- B. Bystander effect
- C. Recency bias
- D. Status quo bias
Why: The fundamental attribution error is the tendency to overemphasize personal traits when explaining others' behavior while underweighting situational factors, a pattern often reversed when judging oneself.
Module 3
Module 3: The Role of Emotion in Believing
The Role of Emotion in Believing
Knowledge check
Q1. According to research on belief formation, which emotional state is most associated with people accepting claims without careful evaluation?
- A. Sadness
- B. Anxiety or fear ✓
- C. Boredom
- D. Surprise
Why: Fear and anxiety tend to narrow attention and increase reliance on quick, intuitive judgments, which can make people accept reassuring or threat-related claims without scrutinizing the evidence.
Q2. What is the term for the tendency to believe information that matches our existing emotional state or feelings?
- A. Confirmation bias
- B. Mood-congruent processing ✓
- C. Availability heuristic
- D. Anchoring effect
Why: Mood-congruent processing describes how our current emotional state shapes which information we attend to, remember, and find believable, so content that fits our mood feels more true.
Q3. Why might a vivid, emotionally charged story be more persuasive than a dry statistical summary?
- A. Statistics are always inaccurate
- B. Emotional stories are easier to forget
- C. Emotional engagement makes the story feel more concrete and personally relevant
- D. People distrust all numerical data
Q4. Which statement best describes the role of disgust in belief?
- A. Disgust has no effect on what people believe
- B. Disgust can make people reject ideas by associating them with something repulsive, even when the link is irrelevant
- C. Disgust always makes people more skeptical of everything
- D. Disgust only affects beliefs about food
Q5. How does feeling a strong emotion about a claim affect the likelihood that someone will later check its accuracy?
- A. It always increases the likelihood of checking
- B. It has no effect on checking behavior
- C. It can reduce checking, because the feeling of certainty may seem like sufficient evidence
- D. It only matters for positive emotions
Module 4
Module 4: Social Influence and Group Belief
Social Influence and Group Belief
Knowledge check
Q1. In Asch's conformity experiments, what did participants most often do when the majority of confederates gave an obviously wrong answer to a simple line-length judgment?
- A. Always stated the correct answer without hesitation
- B. Sometimes conformed to the incorrect majority answer ✓
- C. Refused to answer the question at all
- D. Insisted the group was lying but gave the correct answer privately
Why: Asch found that participants conformed to the incorrect majority in roughly a third of critical trials, showing that group pressure can lead people to publicly endorse answers they privately doubt or know to be wrong.
Q2. What is the key difference between normative social influence and informational social influence?
- A. Normative influence changes private belief; informational influence changes only public behavior
- B. Normative influence stems from wanting approval; informational influence stems from wanting to be accurate ✓
- C. Normative influence only occurs in large groups; informational influence only occurs in pairs
- D. Normative influence is always conscious; informational influence is always unconscious
Why: Normative influence operates through the desire to be liked or accepted by the group, while informational influence operates through the desire to be correct, often when a situation is ambiguous and others seem to know more.
Q3. Which factor did Asch's research find most strongly increased conformity?
- A. The presence of a single dissenting ally who gave the correct answer ✓
- B. Having to write answers down privately
- C. Being told the group was composed of experts
- D. Answering after the group rather than before
Why: Asch found that a single dissenter dramatically reduced conformity, showing that the unanimity of the majority is a powerful source of pressure and that breaking it provides social support for independent judgment.
Q4. What is group polarization?
- A. The tendency for group members to split into two rival subgroups
- B. The tendency for group discussion to move members' attitudes toward a more extreme version of their initial position ✓
- C. The tendency for groups to become more moderate over time as members compromise
- D. The tendency for group members to hold opposite beliefs from their leader
Why: Group polarization occurs when discussion among like-minded people strengthens and extremes their shared views, because members hear supporting arguments and compare themselves to others as even more committed.
Q5. What is the main idea behind the concept of groupthink, as described by Irving Janis?
- A. Groups always make better decisions than individuals working alone
- B. The desire for harmony and consensus in a cohesive group can override realistic evaluation of alternatives ✓
- C. Group members automatically share the beliefs of their most charismatic member
- D. Groups are unable to reach any decision when members disagree
Why: Janis proposed that strong cohesion and a desire to avoid conflict can lead groups to suppress dissent, ignore warning signs, and overlook alternatives, producing poor decisions such as the Bay of Pigs invasion.
Module 5
Module 5: Motivated Reasoning and Identity
Motivated Reasoning and Identity
Knowledge check
Q1. What is motivated reasoning?
- A. Reasoning carefully and objectively toward the most accurate conclusion regardless of personal preferences
- B. Processing information in a way that leads toward a conclusion one already wants to reach ✓
- C. Reasoning that is driven entirely by logical rules with no emotional influence
- D. A method of teaching people to reason more quickly under time pressure
Why: Motivated reasoning refers to the tendency to evaluate evidence in ways that favor a desired conclusion, such as beliefs we value or want to be true, rather than evaluating it neutrally.
Q2. Which phenomenon describes people's tendency to accept evidence that supports their existing views while scrutinizing evidence that challenges them?
- A. The Dunning-Kruger effect
- B. The availability heuristic
- C. Confirmation bias ✓
- D. The bandwagon effect
Why: Confirmation bias is the tendency to search for, interpret, and remember information in a way that confirms one's prior beliefs, and it is a core mechanism underlying motivated reasoning.
Q3. According to research on identity-protective cognition, what is most likely to happen when a factual finding threatens a group identity someone strongly holds?
- A. The person updates their beliefs quickly once presented with clear evidence
- B. The person becomes more open to opposing viewpoints out of curiosity
- C. The person may reject the finding or argue against it to protect their group membership ✓
- D. The person ignores the finding entirely because it is irrelevant to them
Why: Identity-protective cognition suggests people process information in ways that protect their standing within important social groups, so threatening facts can be rejected even when the person is capable of understanding them.
Q4. Why does greater numeracy or intelligence not always eliminate motivated reasoning on politically charged topics?
- A. Smarter people lack the ability to process numerical data
- B. Skilled reasoners are often better at constructing arguments that defend their preferred conclusions ✓
- C. Intelligence has no relationship to reasoning ability in any context
- D. Higher intelligence makes people more likely to accept all evidence without question
Why: Research by Dan Kahan and colleagues found that more numerate individuals sometimes polarized more on contested issues, because their reasoning abilities were deployed to defend identity-consistent positions.
Q5. Which strategy is most likely to reduce motivated reasoning when evaluating a belief you care about?
- A. Asking yourself what evidence would change your mind and considering it seriously ✓
- B. Seeking out only sources that agree with your current position
- C. Dismissing opposing arguments as coming from people with bad motives
- D. Making a public commitment to your view before examining the evidence
Why: Actively considering disconfirming evidence and specifying what would change your mind counteracts the default tendency to protect existing beliefs, promoting more balanced evaluation.
Module 6
Module 6: How Beliefs Change: Persuasion and Updating
How Beliefs Change: Persuasion and Updating
Knowledge check
Q1. Which of the following best describes the 'central route' to persuasion in the Elaboration Likelihood Model?
- A. Changing attitudes through emotional appeals and celebrity endorsements
- B. Changing attitudes through careful evaluation of the quality of arguments presented ✓
- C. Changing attitudes through repetition of a message until it feels familiar
- D. Changing attitudes by following the crowd or majority opinion
Why: The central route involves effortful, thoughtful processing of the arguments and evidence, so attitude change that results is typically more durable. The other options describe the peripheral route, which relies on cues like attractiveness, repetition, or social consensus.
Q2. What is the 'backfire effect' in the study of belief change?
- A. When people become more committed to a belief after being presented with contradictory evidence ✓
- B. When a persuasive message is so strong that it produces immediate agreement
- C. When people forget the source of a claim but remember the claim itself
- D. When repeated exposure to a message reduces its persuasive impact
Why: The backfire effect describes situations where corrections or contrary evidence strengthen a person's original belief. Later research has found this is less common than once thought, but it remains an important concept in the study of belief updating.
Q3. Which term describes the tendency to seek out information that supports our existing beliefs while avoiding information that challenges them?
- A. Availability heuristic
- B. Confirmation bias ✓
- C. Dunning-Kruger effect
- D. Anchoring bias
Why: Confirmation bias is the tendency to search for, interpret, and remember information in ways that confirm what we already believe, which makes belief updating more difficult.
Q4. According to Bayesian reasoning, how should a rational person update their beliefs when new evidence arrives?
- A. Ignore the new evidence if it contradicts their prior belief
- B. Replace the prior belief entirely with the new evidence
- C. Combine the prior belief with the new evidence in proportion to how strongly the evidence is expected under different hypotheses ✓
- D. Average the prior belief and the new evidence equally regardless of their reliability
Why: Bayesian updating weighs prior probabilities together with the likelihood of the evidence under competing hypotheses, so the strength of the evidence and the strength of the prior both shape the revised belief.
Q5. What role does 'source credibility' play in persuasion?
- A. It has no effect once the quality of the argument is known
- B. Perceived expertise and trustworthiness of the messenger can increase a message's persuasive impact ✓
- C. It only matters when the audience is already strongly opposed to the message
- D. It reduces persuasion because audiences resist messages from authorities
Why: Research on persuasion consistently finds that messages from sources perceived as expert and trustworthy are more persuasive, especially when people are not highly motivated to scrutinize the content.
Module 7
Module 7: Belief, Doubt, and Critical Thinking
Belief, Doubt, and Critical Thinking
Knowledge check
Q1. Which term describes the tendency to seek out, interpret, and remember information that confirms one's existing beliefs?
- A. Availability heuristic
- B. Confirmation bias ✓
- C. Dunning-Kruger effect
- D. Anchoring effect
Why: Confirmation bias is the tendency to favor information that supports what we already believe while overlooking or discounting evidence that contradicts it. It shapes how beliefs are maintained over time.
Q2. What does it mean to say a belief is 'falsifiable'?
- A. It is widely accepted by experts
- B. It can be shown to be wrong through some possible observation or test ✓
- C. It was passed down through generations
- D. It makes people feel emotionally secure
Why: A falsifiable claim is one where you can specify what evidence would prove it false. This criterion, associated with philosopher Karl Popper, distinguishes testable claims from claims that cannot be disproven by any conceivable evidence.
Q3. Which of the following is an example of motivated reasoning?
- A. Changing your mind after reviewing new data from a well-designed study
- B. Rejecting a scientific finding because it threatens your political identity ✓
- C. Asking a colleague to double-check your calculations
- D. Estimating probabilities using historical frequency data
Why: Motivated reasoning occurs when we reason toward a conclusion we want to reach, often to protect our identity, group membership, or emotional comfort, rather than following the evidence wherever it leads.
Q4. What is the main purpose of 'steelmanning' an opposing argument?
- A. To defeat the opponent more easily
- B. To present the strongest possible version of a view you disagree with ✓
- C. To find a compromise that splits the difference
- D. To demonstrate that you have memorized talking points
Why: Steelmanning means constructing the most charitable and robust form of an opposing argument before responding to it. It sharpens your own thinking and guards against attacking a weak caricature of the other side.
Q5. Why is the 'burden of proof' important in critical thinking?
- A. It requires that every belief be proven beyond any doubt
- B. It places the responsibility for justifying a claim on the person making it ✓
- C. It means skeptics must disprove claims before they can doubt them
- D. It guarantees that majority opinions are correct
Why: The burden of proof lies with whoever asserts a claim. Shifting it onto skeptics to disprove unsupported claims is a common reasoning error, and recognizing where the burden lies helps evaluate arguments fairly.