group decisions

Question 1

what are 4 disadvantages of group decision making?

Answer 1

1. conformity
2. authority
3. polarisation
4. groupthink

Question 2

what are 2 advantages of group decision making?

Answer 2

1. wisdom of the crowd
2. improved reasoning

Question 3

what did asch (1956) discover about conformity?

Answer 3

individuals conform to the group answer in the line length paradigm

Question 4

how did authority cause the 1977 jet collision?

Answer 4

the engineer didnt challenge the captains

Question 5

what did alkov et al (1992) discover about authority?

Answer 5

accidents increase when officers of a different rank occupy the cockpit - only 40% of junior co-pilots relay concerns to senior captains

Question 6

what did myers & kaplan (1975) discover about polarisation?

Answer 6

we make different decision when we discuss with others

Question 7

what did janis (1982) say about groupthink?

Answer 7

there are cohesive groups striving for unanimity and avoid conflict

Question 8

what did kurvers et al (2016) discover about doctors and wisdom of the crowd?

Answer 8

groups of doctors with similar levels of diagnostic accuracy outperform the best doctor of the group

Question 9

what did herzog & hertwig (2009) find about dialectical bootstrapping?

Answer 9

arguing with your own estimates increases accuracy of estimates

Question 10

what did sasaki & pratt (2011) discover about collective rationality in ants?

Answer 10

ants chose better nests and avoided decoy nests as a group compared to individuals

Question 11

what is improved reasoning?

Answer 11

groups do better than individuals alone, except for groups of 2

Question 12

what did moshman & geil (1998) find about improved reasoning in the card turning task?

Answer 12

9% chose right when individuals but 75% chose right when chose as groups

Question 13

what did laughlin et al (2006) find about improved reasoning in the letter and number equation?

Answer 13

groups did better than individuals