Table 2.

Summary of hierarchical regression analyses for cognitive variables predicting insight and non-insight problem solving

Block	Variable	Insight problems				Non-insight problems
		β	t	F change	R2 change	β	t	F change	R2 change
1				17.32***	0.13			23.14***	0.17
	RAT	0.37	4.16***			0.41	4.81***
2				18.73***	0.13			15.26***	0.10
	RAT	0.26	3.01**			0.32	3.73***
	RAPM	0.37	4.33***			0.33	3.91***
3				20.63***	0.21			3.68*	0.05
	RAT	0.18	2.41*			0.28	3.31**
	RAPM	0.20	2.39*			0.26	2.79**
	Near Analogy	0.29	3.91***			0.17	2.21*
	Spatial Analogy	0.34	4.14***			0.14	1.50
4				4.33*	0.02			2.68*	0.02
	RAT	0.15	2.04*			0.25	2.99**
	RAPM	0.18	2.27*			0.25	2.68**
	Near Analogy	0.27	3.65***			0.14	1.66
	Spatial Analogy	0.33	3.99***			0.13	1.35
	AUT	0.15	2.08*			0.14	1.64

RAT remote associates test, RAPM Raven’s advanced progressive matrices, AUT alternate uses task

*p < 0.05, **p < 0.01, ***p < 0.001