Table 1.

Responses elicited by newcomers and veterans in Experiment 1

				Test of Difference				Test of Difference
		Newcomers	Veterans	r	p	Free Riders (Newcomers)	Free Riders (Veterans)	r	p
Benefit Rejection Condition	Exchision	1.21 (0.42)	1.03 (0.11)	.39	.090	4.74 (1.19)	3.13 (1.13)	.81	.0001
	Anger	1.39 (0.57)	1.08 (0.34)	.49	.030	4.95 (1.04)	4.68 (0.99)	.32	.163
	Trust	4.32 (0.75)	5.61 (0.61)	.83	10-5	1.63 (0.78)	2.79 (1.06)	.79	.0001
	Monitoring	2.82 (1.15)	1.47 (0.68)	.77	.0001	5.37 (0.93)	4.53 (1.24)	.57	.008
	Negative
	Entitlement	2.45 (1.09)	1.11 (0.27)	.76	.0001	5.61 (0.59)	4.55 (1.44)	.60	.005
Benefit Acceptance Condition	Exclusion	2.73 (1.31)	1.73 (0.99)	.51	.019	5.00 (1.22)	3.43 (1.25)	.74	.0001
	Anger	3.20 (1.16)	2.00 (1.19)	.68	.0007	5.70 (0.52)	5.35 (0.73)	.51	.019
	Trust	2.80 (0.75)	4.40 (1.12)	.77	.0001	1.40 (0.55)	2.45 (1.10)	.81	.0001
	Monitoring	4.78 (1.26)	2.25 (1.25)	.86	10-6	5.78 (0.64)	5.15 (0.89)	.65	.002
	Negative
	Entitlement	4.28 (1.25)	1.98 (1.06)	.85	10-5	5.70 (0.85)	5.30 (0.78)	.42	.061

Note: The “Newcomers” and “Veterans” columns show means, with standard deviations in parentheses. For the Benefit Rejection condition, df = 18; for the Benefit Acceptance condition, df = 19. In lieu of t-values, we present effect sizes (r). For interested readers, t = Sqrt(r² * df * (1 – r²)^-1).