Table 3.

General and differential effects of choice systems and asymmetry on profits with random effects for person (N = 248).

	Fixed effects						Random effects
	B	95% CI	SE	df	t	p	SD
Intercept	86.81	84.87, 88.76	0.99	496	87.73	< 0.001	10.61
Asymmetry	− 10.10	− 13.99, − 6.21	1.98	245	− 5.11	< 0.001
Advantaged	12.06	7.03, 17.10	2.56	245	4.72	< 0.001
Intercept	82.67	79.07, 86.26	1.83	494	45.20	< 0.001	2.88
Median	8.80	5.19, 12.41	1.84	494	4.79	< 0.001	2.89
MVoting	6.24	2.87, 9.62	1.72	494	3.64	< 0.001	2.70
Intercept	81.97	78.52, 85.43	1.76	490	46.56	< 0.001	2.73
Median	8.84	5.33, 12.36	1.79	490	4.95	< 0.001	2.77
MVoting	5.67	2.28, 9.05	1.72	490	3.29	0.001	2.67
Asymmetry	− 8.03	− 14.95, − 1.11	3.51	245	− 2.28	0.023
Advantaged	22.49	13.52, 31.45	4.55	245	4.94	< 0.001
Median × Asym	0.49	− 6.53, 7.50	3.57	490	0.14	0.891
Median × Adv	− 22.49	− 31.57, − 13.40	4.62	490	− 4.86	< 0.001
MVoting × Asym	− 6.70	− 13.46, 0.05	3.44	490	− 1.95	0.052
MVoting × Adv	− 8.78	− 17.53, − 0.02	4.46	490	− 1.97	0.049

Median and MVoting are dummy coded with individual choice as reference; Asymmetry is contrast coded to compare symmetric versus asymmetric groups; Advantaged is contrast coded to compare advantaged versus disadvantaged group members; all tests are two-sided.

MVoting Majority voting, Asym Asymmetry, Adv Advantaged.