Measuring self-determination in Norwegian students: adaptation and validation of the AIR Self-Determination Scale

Figures & data

Table 1. Cronbach’s α and test-retest correlation.

	Cronbach’s α	Pearson’s r/Spearman’s rho for test-retest reliability
Total score AIR-S-NOR
Total sample	.87	.86
Typically developing	.89	.86
Intellectual disability	.82	.86
Capacity subscale
Total sample	.86	.82
Typically developing	.88	.83
Intellectual disability	.80	.84
Opportunity subscale
Total sample	.82	.79
Typically developing	.85	.77
Intellectual disability	.75	.80

Table 2. Pattern and structure matrix for PCA with Oblimin rotation of two factor solution.

Item	Pattern coefficients		Structure coefficients		Communalities
	Component 1	Component 2	Component 1	Component 2
Cap5	.709	.080	.684	−.138	.473
Cap11	.706	.142	.662	−.075	.456
Cap4	.687	.095	.658	−.117	.441
Cap12	.660	−.049	.676	−.252	.458
Cap15	.647	−.170	.699	−.369	.514
Cap3	.589	−.181	.644	−.362	.445
Cap8	.553	−.317	.651	−.488	.515
Cap6	.537	−.260	.617	−.426	.442
Cap13	.503	−.185	.560	−.340	.345
Cap7	.487	−.246	.563	−.396	.372
Cap1	.484	−.189	.425	.040	.213
Cap9	.454	−.242	.529	−.382	.332
Cap14	.415	−.024	.423	−.152	.179
Cap10	.405	.063	.386	−.062	.152
Cap2	.359	.008	.357	−.103	.127
Opp6	−.127	−.789	.116	−.749	.576
Opp2	−.067	−.787	.175	−.766	.591
Opp5	.045	−.747	.276	−.761	.581
Opp4	.100	−.667	.305	−.698	.496
Opp3	.134	−.650	.335	−.692	.495
Opp1	.047	−.592	.229	−.606	.370

Note:

Bolded items indicate major loadings for each item.