Study 1 and 2
No sanction (NO)
Collective weak physical sanction (CWP)
Individual weak physical sanction (IWP)
Collective strong physical sanction (CSP)
Individual strong physical sanction (ISP)
Study 3
No sanction (NO)
Collective weak economic sanction (CWE)
Individual weak economic sanction (IWE)
Collective strong economic sanction (CSE)
Individual strong economic sanction (ISE)
Study 4
No sanction (NO-B)
Weak physical sanction (IWP-B)
Strong economic sanction (ISE-B)
Strong economic unselfish sanction (ISE-un)
Verbal sanction (IV)
Verbal effective sanction (IVE)