| Project/Area Number |
23683011
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (A)
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Social psychology
|
|---|
| Research Institution | Hokkaido University (2012)
Sophia University (2011) |
|---|
Principal Investigator |
|
|---|
| Project Period (FY) |
2011 – 2012
|
| Project Status |
Completed (Fiscal Year 2012)
|
| Budget Amount *help |
¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
Fiscal Year 2012: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2011: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
|
|---|
| Keywords | 適応的意思決定 / 社会的学習 / 集合知 / 進化心理学 / 社会的意思決定 |
|---|
| Research Abstract |
Research on social learning revealed that people utilize multiple strategies. This research adopts theframework of adaptive toolbox developed by Gigerenzer , T odd & the ABC research group (1999)on this problem. The basic idea is that depending on the environments, different strategy becomesmore adaptive than the others and people selectively use a strategy that is adaptive in the givensituation. In this research, we focused on two representative social learning strategies; majoritystrategy and the best member strategy . Through a series of theoretical and empirical studies, wefound that the best member often outperforms the majority . However , as is often the case, when it isdifficult to identify the true best member , the majority strategy performs relatively better than thebest member strategy . People seem to switch from the majority to the best member strategy onlywhen a reliaermation indicating who the real best member is obtained.
|
