Construct Validity of Assessing Interest in STEM Content Scale

Table 3

Result of the confirmatory factor analysis (CFA) of the assessing interest in the stem content scale.

Empirical factor	Factor loading				FS	R^2
	B	SE	t
First-order CFA
Science
S1	1.000	0.000	<—>	0.318	0.031	0.101
S2	0.489	0.153	3.200	0.162	-0.035	0.026
S3	1.458	0.235	6.212	0.460	0.076	0.212
S4	1.722	0.397	4.340	0.541	0.063	0.293
S5	1.660	0.378	4.396	0.511	0.052	0.261
Mathematics
M1	1.000	0.000	<—>	0.706	0.078	0.498
M2	0.828	0.044	18.712	0.639	0.038	0.408
M3	0.095	0.079	1.209	0.069	0.001	0.005
M4	1.205	0.069	17.516	0.872	0.269	0.761
M5	1.281	0.067	19.003	0.902	0.366	0.814
Laboratorial skills
L1	1.000	0.000	<—>	0.756	0.051	0.572
L2	0.951	0.043	22.348	0.760	0.147	0.578
L3	1.141	0.061	18.706	0.870	0.311	0.758
L4	1.122	0.065	17.233	0.820	0.146	0.673
L5	1.127	0.067	16.886	0.811	0.137	0.658
Technology
T1	1.000	0.000	<—>	0.700	0.075	0.491
T2	0.836	0.041	20.181	0.658	0.053	0.433
T3	0.430	0.067	6.405	0.336	0.033	0.113
T4	1.123	0.061	18.567	0.862	0.280	0.743
T5	1.176	0.068	17.273	0.896	0.375	0.803
Second-order CFA
Interest ⟶ science	1.000	0.000	<—>	0.169	0.155	0.112
Interest ⟶ mathematics	0.780	0.238	3.277	0.389	0.027	0.152
Interest ⟶ laboratorial skills	1.090	0.339	3.214	0.520	0.014	0.270
Interest ⟶ technology	0.305	0.155	1.975	0.145	0.004	0.105

 < 0.01, <—> not reporting SE and t since they were the constrained parameter.