Psychometric properties of the Dutch version of the Evidence-Based Practice Attitude Scale (EBPAS)

Table 1 EBPAS subscale and item means, standard deviations, item-total correlations, eigenvalues, Cronbach’s alpha, and exploratory factor analysis loadings

EBPAS subscales and total	M	SD	Item-total correlation	EV	α	Scale 1	Scale 2	Scale 3	Scale 4
Requirements	2.38	0.78		4.19	0.89
Agency required	2.36	0.86	0.67			0.97
Supervisor required	2.41	0.84	0.60			0.85
State required	2.37	0.87	0.63			0.76
Appeal	3.13	0.54		1.94	0.75
Makes sense	3.22	0.71	0.44				0.84
Intuitively appealing	3.09	0.78	0.46				0.74
Get enough training to use	3.18	0.68	0.50				0.37
Colleagues happy with intervention	3.03	0.71	0.53				0.60
Openness	2.63	0.62		1.56	0.77
Will follow a treatment manual	2.74	0.77	0.59					0.66
Like new therapy types	2.57	0.78	0.43					0.58
Therapy developed by researchers	2.70	0.78	0.57					0.74
Therapy different than usual	2.51	0.87	0.60					0.52
Divergence	1.46	0.65		1.41	0.67
Research-based treatments not useful	1.15	0.86	0.41						0.48
Will not use manualized therapy	0.81	0.89	0.43						0.44
Clinical experience more important	2.07	0.91	0.25						0.66
Know better than researchers	1.81	0.98	0.32						0.56
EBPAS total	2.67	0.41			0.72

n = 270 for means, standard deviations, item-total correlations, and Cronbach’s alpha; n = 127 for exploratory factor analysis and eigenvalues.
SD, Standard deviation; EV, Eigenvalue; α, Cronbach’s alpha; factor loadings <0.30 are not shown.

ISSN: 1478-4505