Applying modern measurement approaches to constructs relevant to evidence-based practice among Canadian physical and occupational therapists

Table 10 Summary of the results of the Rasch analysis yielding four measures of EBP

Construct	Items		Thresholds	N at ceiling	p value for global fit	alpha (α)	Threshold range	Item location (SD)	Person location mean (SD)
Construct	Start	Finish	Thresholds	N at ceiling	p value for global fit	alpha (α)	Threshold range	Item location (SD)	Person location mean (SD)
Attitudes	17	10	35	110 (86%)	0.29	0.63	− 7.51 to 5.04	1.29	− 0.41 (1.41)
Self-efficacy	9	8	22	76 (59%)	0.82	0.80	− 3.70 to 4.91	1.60	− 0.34 (1.12)
Resources	15	13	39	104 (81%)	0.00*	0.86	− 3.38 to 2.86	0.51	− 0.34 (1.73)
Knowledge	11	9	32	108 (84%)	0.12	0.81	− 7.85 to 4.50	1.56	− 0.26 (1.23)
All	52	40

ISSN: 1748-5908