A cohort study for the development and validation of a reflective inventory to quantify diagnostic reasoning skills in optometry practice

Table 1 Factor analysis of the DTI-O results

Item number	Subdomain	Factor 1	Factor 2	Factor 3
31	SM	0.753
25	FT	0.738
8	SM	0.734
27	FT	0.73
41	FT	0.668
5	FT	0.588	0.336
33	SM	0.574
9	SM	0.567
19	SM	0.559
4	FT	0.543
13	SM	0.386	0.479
15	FT	0.406	0.338	−0.5
38	FT	0.393		0.476

Principal Axis Factoring extraction method. Promax rotation method with Kaiser normalisation coverage in 6 iterations. Following convention, factors with less than 5 items with factor loadings above 0.5 were removed. Items with loadings greater than 0.3 were included
Abbreviations: FT flexibility in thinking, SM structured memory

ISSN: 1472-6920