International Journal of STEM Education

Table 4 Pattern matrix from 2- and 3-factor solution from the third round of EFAs

From: Measuring university students’ interest in biology: evaluation of an instrument targeting Hidi and Renninger’s individual interest

	2-factor solution				3-factor solution
Item	WLS1	WLS2	h2	com	WLS2	WLS1	WLS3	h2	com
F1	0.84		0.73	1.0		0.53	0.35	0.73	1.7
F3	0.74		0.69	1.1		0.50	0.27	0.69	1.7
F4	0.82		0.70	1.0		0.71		0.73	1.1
F5	0.79		0.68	1.0		0.95		0.80	1.0
F6	0.67		0.61	1.1		0.78		0.68	1.0
F7	0.81		0.77	1.0		0.89		0.86	1.0
V1	0.88		0.59	1.1			0.86	0.69	1.0
V2	0.88		0.67	1.0			0.79	0.75	1.0
V3	0.76		0.57	1.0			0.79	0.67	1.0
V8	0.60	0.25	0.63	1.3	0.32		0.44	0.64	2.1
V9	0.75		0.60	1.0			0.58	0.63	1.2
R3		0.84	0.64	1.0	0.84			0.64	1.0
R4		0.57	0.55	1.3	0.55	0.26		0.55	1.4
R5		0.65	0.54	1.1	0.67			0.54	1.0
R6		0.79	0.64	1.0	0.77			0.64	1.1
R8		0.64	0.54	1.1	0.66			0.54	1.0
R9		0.76	0.63	1.0	0.76			0.63	1.0
R11		0.77	0.63	1.0	0.80			0.65	1.1
R12		0.61	0.44	1.0	0.61			0.44	1.0
R13		0.70	0.36	1.1	0.68			0.35	1.1

Pattern coefficients < 0.2 are not showed for clarity
WLS 1/2/3 pattern coefficients for the first/second/third factor retained from the EFA, h2 measure of communality, com Hoffman’s index of complexity (the average number of factors necessary to explain the item)

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