Table 1. Means of prosocial outcome variables for Experiment 1 (standard deviations are in parenthesis).

	Shared goal	Synchrony	Asynchrony	Passive
Cooperationa	3.88 (1.59)	3.53(1.76), r = .09	2.87(1.72), r = .32*	3.22 (1.65), r = .22
Interdependent self-construal	3.69(1.71)	2.47(1.25), d = .81**	2.47(1.43), d = .77**	2.28(1.25), d = .94**
Entitativity	4.90(1.45)	4.78(1.80), d = .07	4.13(1.71), d = .49	3.41(1.96), d = .94**
Trust	4.48(1.62)	4.30(1.37), d = .12	4.23(1.45), d = .16	3.59(1.21), d = .62*
Perceived similarity	4.24(1.66)	3.77(1.52), d = .30	3.80(1.47), d = .28	3.34(1.32), d = .60*

^aEffect sizes and significance values are based on the non-parametric Mann-Whitney tests.

^* p<.05,

^** p<.01.

Effect sizes and significance levels are in comparison to the shared goal condition.