Table 2.

Generalized Estimating Equations—Placebo Day

Variable	b	SE	p
Trial number	−.006	.002	.001
Testing day	−.096	.154	.534
Group (HC, SZ)	−.228	.169	.179
Reward type (points-only, social)	−.086	.022	<.001
Reward rate (low, high)	−.057	.030	.062
Trial length (short, long)	−.024	.021	.258
Group × Reward Type	.187	.053	<.001
Group × Reward Rate	.108	.098	.269
Group × Trial Length	−.002	.051	.969
Group × Reward Type × Trial Length	−.152	.054	.005
Group × Reward Type × Reward Rate	−.185	.051	<.001

Note. HC = healthy control; SZ = schizophrenia.