Arts & Humanities
Cowardice
100%
Raids
80%
Punishment
72%
Sentiment
64%
Acephalous
58%
Sanctions
55%
Warrior
52%
Costs
26%
Cattle
21%
Vignettes
21%
Collective Action
20%
Warfare
15%
Evolutionary
14%
Ethnic Groups
14%
Illness
13%
History
11%
Psychology
11%
Earth & Environmental Sciences
sanction
99%
cooperation
61%
reciprocity
59%
cost
36%
society
35%
collective action
30%
ethnic group
30%
East Africa
26%
psychology
26%
cattle
23%
history
13%
Social Sciences
penalty
58%
sanction
48%
costs
39%
reciprocity
34%
collective action problem
23%
East Africa
19%
warfare
17%
illness
14%
ethnic group
13%
psychology
12%
society
11%
history
9%
Group
5%
Agriculture & Biology
collective action
53%
psychology
43%
nationalities and ethnic groups
40%
Eastern Africa
38%
cooperatives
35%
history
26%
cattle
21%
Medicine & Life Sciences
Punishment
88%
Costs and Cost Analysis
43%
Eastern Africa
23%
Motivation
14%
Cattle
14%
History
13%
Psychology
11%