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)