Psychology of Jury Decision-Making and Ant Behavior
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Questions and Answers

What psychological phenomenon is observed when juries rate a defendant as more guilty after discussion?

  • Social facilitation
  • Consensus formation
  • Terporisation
  • Polarization (correct)
  • In the study described, how many traffic felony cases were rated by the participants?

  • 6
  • 4
  • 10
  • 8 (correct)
  • What was the significance of discussing half of the felony cases in the study?

  • It was irrelevant to the rating process.
  • It reduced individual biases.
  • It increased the ratings of high guilt cases. (correct)
  • It provided a consensus instead of individual ratings.
  • Which of the following best describes the rationale behind jurors discussing the cases?

    <p>To influence each other's perceptions of guilt. (D)</p> Signup and view all the answers

    Which group size was used to rate the traffic felony cases in the study described?

    <p>6 people (A)</p> Signup and view all the answers

    What role do decoys play in the decision-making of ants regarding their nests?

    <p>Decoys can lead ants to favor nest B over nest A. (A)</p> Signup and view all the answers

    How does collective rationality function in ant colonies when faced with decoys?

    <p>Ants make rational decisions independent of decoys. (B)</p> Signup and view all the answers

    Which nest are ants more likely to choose when presented with decoys?

    <p>Nest B, because it appears better with the decoys. (A)</p> Signup and view all the answers

    What is indicated by the concept of individual irrationality in ant decision-making?

    <p>Individual choices can differ greatly among ants due to environmental factors. (C)</p> Signup and view all the answers

    What happens to the decision-making process of ants when they are presented with multiple options?

    <p>Choice overload leads to less optimal outcomes. (C)</p> Signup and view all the answers

    What was the consequence of the engineer not challenging the captain's decision during the Tenerife incident?

    <p>It contributed to the worst aviation accident on land. (C)</p> Signup and view all the answers

    What factor increases the likelihood of accidents in aviation according to the information provided?

    <p>The difference in authority rankings among crew members. (B)</p> Signup and view all the answers

    Which of the following statements is true regarding conforming behavior?

    <p>It may compel individuals to ignore their doubts. (C)</p> Signup and view all the answers

    What percentage of junior co-pilots reported not relaying safety concerns due to rank differences?

    <p>40% (A)</p> Signup and view all the answers

    What does the 1977 KLM and Pan-Am incident exemplify in terms of authority?

    <p>The importance of junior crew's input in decision-making. (A)</p> Signup and view all the answers

    Which of the following best explains why individuals might conform despite having doubts about decisions?

    <p>Their desire for acceptance from peers. (B)</p> Signup and view all the answers

    How can authority differences affect overall safety in aviation?

    <p>They risk undermining critical feedback systems. (C)</p> Signup and view all the answers

    Which behavior did the engineer display during the incident that contributed to the accident?

    <p>Ignoring his own doubts. (C)</p> Signup and view all the answers

    What phenomenon occurs when a group reaches consensus without critical evaluation?

    <p>Groupthink (D)</p> Signup and view all the answers

    Which of the following characteristics is associated with groupthink?

    <p>Avoidance of criticism (C)</p> Signup and view all the answers

    In which type of teams is groupthink likely to be exacerbated?

    <p>Homogeneous teams (C)</p> Signup and view all the answers

    What is one downside of group decision-making mentioned in the lecture structure?

    <p>Conformity (A)</p> Signup and view all the answers

    What are benefits of group decision-making according to the content?

    <p>Wisdom of the crowd (A)</p> Signup and view all the answers

    What impact does a cohesive group have on its decision-making process?

    <p>Leads to unanimous decisions (D)</p> Signup and view all the answers

    Which of the following is NOT a reason for poor decision-making in groups?

    <p>Diverse opinions (A)</p> Signup and view all the answers

    What does the mention of 'Myers & Kaplan, 1975' refer to in the context of group decision-making?

    <p>Lower punishment for guilt (C)</p> Signup and view all the answers

    What observation is made about group reasoning compared to individual reasoning?

    <p>Groups tend to have better reasoning than individuals. (A)</p> Signup and view all the answers

    Which group had the highest percentage of correct answers in turning over the cards?

    <p>Groups of individuals (A)</p> Signup and view all the answers

    What percentage of individuals correctly identified which cards to turn over?

    <p>9.4% (D)</p> Signup and view all the answers

    In the card task, which card represents the logic to prove the statement: If a card has a vowel on one side, it has an even number on the other side?

    <p>E (B)</p> Signup and view all the answers

    Which percentage reflects the performance of groups facing similar reasoning problems?

    <p>75% (B)</p> Signup and view all the answers

    What mismatch occurs when individuals attempt the reasoning task?

    <p>They neglect to turn over the cards. (B)</p> Signup and view all the answers

    What is one explanation for improved decision-making in groups?

    <p>Discussion allows for pooling of knowledge. (D)</p> Signup and view all the answers

    Which pattern reflects the overall trend in individual versus group performance?

    <p>Groups typically outperform individuals. (D)</p> Signup and view all the answers

    Based on improved reasoning, how do groups perform compared to individuals?

    <p>Groups do better than the best individual in the group, except for groups of 2. (A)</p> Signup and view all the answers

    If B is incorrectly assumed to be 3, what can be concluded about the hypothesis?

    <p>The hypothesis is false. (D)</p> Signup and view all the answers

    What number must a two-digit number start with to be valid in this reasoning context?

    <p>It must start with one. (A)</p> Signup and view all the answers

    What is the total of the calculation presented: $3 + 5 + 2 + 2 + 1 + b + 4 + 7 + 0 + 9$?

    <p>45 (B)</p> Signup and view all the answers

    What does the term 'fewer trials' relate to in the context provided?

    <p>The need for less data to make informed decisions. (D)</p> Signup and view all the answers

    What is implied about reasoning together in a group?

    <p>It boosts the accuracy of the group's best member. (D)</p> Signup and view all the answers

    In the hypothesis testing example, how many times is the participant asked if B is 3?

    <p>Once. (A)</p> Signup and view all the answers

    Which of the following best represents the relationship between groups and individuals based on the content?

    <p>Groups outperform individuals, especially if they consist of more than two members. (D)</p> Signup and view all the answers

    Flashcards

    Jury Polarization

    A phenomenon observed in jury decision-making where initial individual ratings of guilt tend to polarize after group discussion.

    Higher Guilt Ratings After Discussion

    The tendency for juries to rate defendants as more guilty after group discussion, especially in cases with a high initial perceived guilt.

    Study Procedure

    The study divided participants into groups of 6, with each group discussing 4 high-guilt and 4 low-guilt traffic felony cases.

    Traffic Felony Cases

    The study involved rating 8 traffic felony cases (4 high guilt and 4 low guilt). Half of the cases were discussed in groups, while the other half were not.

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    Study Objective

    The study aimed to observe the effects of group discussion on juror ratings of guilt, particularly in cases with high initial perceived guilt.

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    Conformity

    The tendency to conform to the actions of others, even when it contradicts personal judgment, to avoid social exclusion.

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    Asch's Conformity Experiment

    A study by Solomon Asch in 1956 that demonstrated the power of conformity. Participants were asked to identify the length of a line, but were influenced by a group of confederates who gave incorrect answers.

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    Authority Bias

    The tendency to defer to authority figures, even when it leads to potentially dangerous or incorrect decisions.

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    Tenerife Airport Disaster

    The Tenerife airport disaster (1977) where a KLM plane took off despite the runway not being clear. The co-pilot doubted the captain's decision but did not challenge him due to authority bias.

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    Rank and Authority

    The relationship between an individual's rank and the likelihood of them challenging authority. Higher-ranking individuals are less likely to be challenged by lower-ranking individuals.

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    Pilot Reports

    A study that found that pilots of lower rank were less likely to report concerns about safety to senior pilots.

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    Consequences of Conformity and Authority Bias

    Conformity and authority bias can lead to poor decision-making, often with disastrous consequences.

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    Promoting Safety in Hierarchical Settings

    In a hierarchical setting, it is crucial to encourage open communication and questioning of authority to prevent errors and promote safety.

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    Individual Irrationality

    Individual ants, when presented with two options, are more likely to choose the better (darker) option, especially if presented with a decoy option that is worse than the better option.

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    Collective Rationality

    When a colony of ants make a decision, they are less likely to be swayed by decoys, resulting in a more rational collective choice. This indicates the colony's decision-making is more robust even if individual ants are affected by decoys.

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    Decoy Effect

    Individual ants' choices are influenced by the presence of decoys. For instance, if a decoy option is presented, the ants are likely to choose the better option over the worse option (even if the better option is already preferred).

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    Independent Information

    In the ant colony, information is shared between individuals based on their direct observations without information being dependent on each other. This results in a more robust decision-making process.

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    Colony Decision-making

    An ant colony can make rational decisions even though individual ants might be susceptible to irrational choices. This is because individual ants' actions are influenced by collective information rather than swayed by individual biases.

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    Collective Reasoning Advantage

    People collectively reason better than individually, resulting in improved decision-making.

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    Group Polarization

    The tendency for groups to make more extreme decisions (either more risky or conservative) compared to individuals.

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    Jury Polarization Study

    A study designed to investigate how group discussion influences individual judgments of guilt in legal cases.

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    Cognitive Heuristic

    A mental shortcut that helps people make quick decisions, but can lead to biased judgments.

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    Availability Heuristic

    A common cognitive bias where people overestimate the likelihood of an event based on how easily they can recall similar instances.

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    Confirmation Bias

    The tendency for people to favor information that confirms their existing beliefs, while ignoring or downplaying contradictory evidence.

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    Representativeness Heuristic

    A specific type of cognitive heuristic where people estimate the likelihood of an event based on how well it matches their mental prototype or stereotype.

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    Social Conformity

    A process in which individuals adjust their opinions and behaviors to match the perceived norms of a group.

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    Groupthink

    A psychological phenomenon where group members prioritize consensus over critical thinking, leading to poor decision-making due to an illusion of invulnerability, self-censorship, and an unquestioning acceptance of group beliefs.

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    Traffic Felony Case Rating Study

    A study procedure that involves a group of participants rating the guilt of defendants in traffic felony cases.

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    Conformity in Groupthink

    Group members' desire for agreement and conformity overrides individual critical thinking, leading to a sense of invulnerability, self-censorship, and the silencing of dissenting voices.

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    Self-Censorship in Groupthink

    The tendency in groupthink for members to censor their own doubts and opinions to avoid conflict or criticism, leading to an illusion of unanimous agreement.

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    Homogenous Groups & Groupthink

    Groups that are overly homogenous and lacking diverse perspectives are more susceptible to groupthink, as members are more likely to share similar beliefs and values, leading to reduced critical thinking.

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    Groupthink & Guilt Ratings

    Group decisions involving high levels of initial perceived guilt are more likely to lead to higher guilt ratings after discussion, especially in groups prone to groupthink.

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    Increased Guilt Ratings After Discussion

    Jurors who initially rated a defendant as highly guilty are more likely to increase those ratings after group discussion, influenced by the group's consensus and heightened sense of guilt.

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    Group Discussion Influence

    A study that examines the effect of group discussion on juror ratings of guilt.

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    Polarization Effect

    The observation that jury ratings of guilt often become more polarized after group discussion.

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    Initial Consensus & Guilt Ratings

    Juror ratings of guilt can be influenced by the group's initial consensus, where early agreement can amplify shared perceptions and lead to a stronger sense of conviction.

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    Group Decision-Making in Legal Contexts

    A study that shows the impact of group dynamics on decision-making, especially in situations involving legal judgments.

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    Study Notes

    Group Decision-Making

    • Group decision-making encompasses various contexts, including boards, pub quizzes, multi-disciplinary teams (MDTS), flight crews, juries, and electorates.
    • Downsides of group decision-making include conformity, authority issues, polarization, and groupthink.
    • Benefits of group decision-making include the wisdom of the crowd and improved reasoning.
    • Learning outcomes include defining phenomena causing poor group decisions, explaining the wisdom of crowds' mechanism, identifying factors affecting crowd wisdom accuracy, and explaining how group reasoning exceeds individual parts.

    Conformity

    • The Asch experiment, a classic study, demonstrated the power of conformity in group decision-making.
    • Participants in the experiment exhibited conformity by agreeing with a clearly incorrect answer from confederates.
    • This suggests a widespread tendency for individuals to conform to group opinions, even when they are confident in their own.
    • A significant percentage of participants agreed with confederates' responses at least once when judging the length of lines.

    Authority

    • Authority figures' influence can lead to poor decisions.
    • Investigative findings on the 1977 KLM and Pan-Am jumbo jet collision show engineers hesitated to challenge the captain's decision to take off despite clear concerns.
    • The study highlights that hierarchical structures can stifle the input and concerns of those with differing expertise.
    • Seniority in a hierarchy makes it less likely that people challenge the decision of those with higher ranks.
    • Differences in rank between co-pilots and captains are related to a lower chance of safety concerns being reported by junior co-pilots.

    Polarization

    • Polarization refers to a shift towards a more extreme viewpoint following group discussion.
    • Participants, when asked to determine the minimum and maximum risk for a chess move, demonstrated a tendency for group polarization, moving toward more extreme risk levels.
    • This effect typically is toward either a riskier or a more cautious view.
    • Additional research found that this phenomenon can affect group discussions.
    • Groups often end up making decisions that are further from the initial judgments of those involved compared with an average of individual judgments.

    Groupthink

    • Groupthink occurs when a group's desire for harmony overrides critical evaluation of alternative courses of action, leading to poor decisions.
    • It can arise in cohesive groups where members prioritize avoiding conflict and maintain a shared outlook rather than assessing different possibilities.
    • Groupthink can be exacerbated by the homogeneity of group members.

    Wisdom of the Crowd

    • This concept refers to the collective intelligence of a large group.
    • Participants given a complex estimation task, like estimating the weight of an ox, demonstrated that their collective average was remarkably close to the actual weight.
    • When individual estimates are combined, the resulting average converges significantly closer to the correct answer.
    • Similar concepts involving medical diagnoses involving radiologists led to similar findings.

    Improved Reasoning

    • Groups, in various scenarios, demonstrate better problem-solving and reasoning compared to individuals.
    • In tasks like evaluating cards based on a specific rule, groups made fewer errors than individuals.
    • These findings suggest a cognitive benefit to reasoning in groups, leading to increased accuracy.
    • Such improvements typically do not hold when groups are very small.
    • Experiments used in various methods of decision-making to discover what factors affect accuracy and performance.

    Irrationality and Collective Rationality

    • The irrational behaviors of individuals can lead to collective rationality.
    • Ants, when making decisions about nest locations, may exhibit irrationality but collectively demonstrate rationality based on the perceived quality of each location.
    • While individuals may act irrationally, the collective behavior can still optimize the decision-making outcome.
    • Different species of insects display a very similar pattern when making colony-level decisions.

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    Description

    Explore the intriguing psychological phenomena that influence jury decisions and compare them to decision-making in ant colonies. This quiz examines how discussions affect jury perceptions of guilt and the role of decoys in ant behavior. Test your understanding of these fascinating concepts in psychology and ethology.

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