Table 3.

Results of pair-wise comparisons of the estimates of $C_{p/r}$ and $\delta$ between different pre-test conditions.

Parameter	Contrast	z-value	p-value
$C_{p/r}$	Task-specific vs. non-specific rewards	− 2.285	0.076
	Task-specific vs. non-specific punishers	− 1.219	0.553
	Non-specific rewards vs. punishers	0.17	0.998
	Task-specific rewards vs. punishers	3.334	0.003
	High vs. low prevalence rewards	− 2.238	0.086
	High vs. low prevalence punishers	0.638	0.898
	Low prevalence rewards vs. punishers	0.129	0.999
	High prevalence rewards vs. punishers	− 3.005	0.010
$\delta$	Task-specific vs. non-specific rewards	2.142	0.108
	Task-specific vs. non-specific punishers	2.786	0.020
	Non-specific rewards vs. punishers	− 1.295	0.502
	Task-specific rewards vs. punishers	− 3.634	0.001
	High vs. low prevalence rewards	0.197	0.996
	High vs. low prevalence punishers	− 0.266	0.991
	Low prevalence rewards vs. punishers	− 0.880	0.773
	High prevalence rewards vs. punishers	1.343	0.471

Bold values highlight statistically significant results.