Table 2.

Summary of the significant post-hoc tests resulting from the GLMM carried out on the explanations provided by participants to support their choices of the two most enjoyable and the two least enjoyable insight problems.

Post-hoc pairwise contrasts	z-test	p-value	Standard error	Effect size (odds ratio)
Curiosity in the most enjoyable problems > Curiosity in the least enjoyable problems	5.689	<0.001	0.431	2.457
Joy of verification in the most enjoyable problems > Joy of verification in the least enjoyable problems	4.345	0.002	0.073	0.199
Content type in the least enjoyable problems > Content type in the most enjoyable problems	4.134	0.005	1.086	3.548
Curiosity in the most enjoyable problems (3 min condition) > Curiosity in the least enjoyable problems (3 min condition)	4.325	0.021	0.688	2.976
Curiosity in the most enjoyable problems (7 min condition) > Curiosity in the least enjoyable problems (7 min condition)	4.300	0.024	0.740	3.185
Virtuosity in the most enjoyable problems (7 min condition) > Virtuosity in the most enjoyable problems (no engagement condition)	4.430	0.013	0.580	2.573
Curiosity in the most enjoyable problems (3 min condition) > Virtuosity in the most enjoyable problems (no engagement condition)	4.307	0.023	0.638	2.751
Virtuosity in the least enjoyable problems (3 min condition) > Virtuosity in the least enjoyable problems (no engagement condition)	4.938	<0.001	0.532	2.629