Table 1.

Means and SDs of the solution rate, average response times and insight rate

Measure	Real reward		Hypothetical reward
	High	Low	High	Low
Solution rate	0.51 ± 0.10	0.52 ± 0.09	0.42 ± 0.08	0.45 ± 0.08
RT(s)	4.54 ± 0.67	4.36 ± 0.67	4.78 ± 0.69	4.71 ± 0.54
Insight rate	0.51 ± 0.29	0.49 ± 0.28	0.45 ± 0.32	0.47 ± 0.34