豊川 航, Ph.D.

研究内容

個人の意思決定やwellbeingの状態は、たとえば人々がいかに協調し集合知を生み出すか、あるいはフリーライダー問題をいかに克服するかといった、次の時点における集団レベルの現象たちを規定します。逆に、ある時点における集団の状態は、次の時点における個人の行動や価値に影響するでしょう。文化進化ダイナミクス、集団行動学、および人間個人の価値関数（wellbeing関数）のフィードバックを陽に仮定した包括的モデルを作り、人間の集団、社会、文化の共進化力学を明らかにすることを目指しています。

研究主分野

複合領域

研究関連分野

社会心理学

キーワード

• 集団意思決定
• 集合知
• 社会的学習
• 文化進化
• 計算論的モデリング

主要論文

「*」は、理研外のみでの成果です。

1. * Toyokawa W, and Gaissmaier W.
   Conformist social learning leads to self-organised prevention against adverse bias in risky decision making.
   eLife, 11:e75308.
   10.7554/eLife.75308
2. * Kameda T, Toyokawa W, and Tindale RS
   Information aggregation and collective intelligence beyond the wisdom of crowds.
   Nature Reviews Psychology.
   10.1038/s44159-022-00054-y
3. * Laland KN, Toyokawa W and Oudman T
   Animal Learning as a Source of Developmental Bias.
   Evolution and Development.
   10.1111/ede.12311
4. * Toyokawa W, Whalen A and Laland KN.
   Social learning strategies regulate the wisdom and madness of interactive crowds.
   Nature Human Behaviour, 3: 183-193.
   10.1038/s41562-018-0518-x
5. * Kim H, Toyokawa W & Kameda T.
   How do we decide when (not) to free-ride? Risk tolerance predicts adaptation of cooperation levels in new settings.
   Evolution and Human Behavior, 40: 55-64.
   10.1016/j.evolhumbehav.2018.08.001
6. * Muthukrishna M, Henrich J, Toyakawa W, Hamamura T, Kameda T, & Heine S J.
   Overconfidence is Universal? Elicitation of Genuine Overconfidence (Ego) Method Reveals Systematic Differences Across Domain, Task Knowledge, and Incentives in Four Populations.
   PLoS ONE, 13(8): e0202288.
   10.1371/journal.pone.0202288
7. * Toyokawa W.
   Scrounging by foragers can resolve the paradox of enrichment
   Royal Society Open Science, 4: 160830.
   10.1098/rsos.160830
8. * Toyokawa W, Saito Y and Kameda T.
   Individual differences in learning behaviours in humans: Asocial exploration tendency does not predict reliance on social learning.
   Evolution and Human Behavior, 38 (3): 325-333.
   10.1016/j.evolhumbehav.2016.11.001
9. * Toyokawa W, Kim H and Kameda T.
   Human collective intelligence under dual exploration-exploitation dilemmas.
   PLoS ONE 9(4): e95789.
   10.1371/journal.pone.0095789
10. * Kameda T, Wisdom T, Toyokawa W and Inukai K
    Is consensus-seeking unique to humans? A selective review of animal group decision-making and its implications for (human) social psychology.
    Group Processes & Intergroup Relations, 15, 673-689.
    10.1177/1368430212451863