rethinking (version 2.13)

chimpanzees: Chimpanzee prosocialty experiment data

Description

Data from behavior trials in a captive group of chimpanzees, housed in Lousiana. From Silk et al. 2005. Nature 437:1357-1359.

Usage

data(chimpanzees)

Value

Format

1. actor : name of actor

2. recipient : name of recipient (NA for partner absent condition)

3. condition : partner absent (0), partner present (1)

4. block : block of trials (each actor x each recipient 1 time)

5. trial : trial number (by chimp = ordinal sequence of trials for each chimp, ranges from 1-72; partner present trials were interspersed with partner absent trials)

6. prosocial_left : 1 if prosocial (1/1) option was on left

7. chose_prosoc : choice chimp made (0 = 1/0 option, 1 = 1/1 option)

8. pulled_left : which side did chimp pull (1 = left, 0 = right)

References

Silk et al. 2005. Nature 437:1357-1359.