Validation of the educational effectiveness of a mobile learning app to improve knowledge about MR image quality optimisation and artefact reduction

Insights into Imaging

Table 8 A table demonstrating a multiple linear regression used to evaluate the impact of the app on radiographers’ knowledge

	Model	Unstandardised Coefficients		Standardised Coefficients	t	p-value	95.0% Confidence Interval for B		R square
	Model	B	Std. Error	Beta	t	p-value	Lower Bound	Upper Bound	R square
Recognise the existence of the image quality errors	Intercept	11.502	2.782		4.134	<0.001	5.835	17.169	0.57
	Access to the app	2.460	0.443	0.651	5.556	<0.001	1.558	3.362
	Pre-test	−.544	0.129	−.493	−4.207	<0.001	−.807	−.281
Identifying the type of the image quality errors	Intercept	8.892	1.709		5.202	<0.001	5.410	12.374	0.783
	Access to the app	6.434	0.700	0.757	9.191	<0.001	5.008	7.860
	Pre-test	−.615	0.108	−.469	−5.686	<0.001	−.836	−.395
Specifying the appropriate correction strategy	Intercept	6.539	1.935		3.380	<0.002	2.599	10.480	0.802
	Access to the app	9.912	0.905	0.862	10.948	<0.001	8.068	11.756
	Pre-test	−.657	0.171	−.302	−3.841	<0.001	−1.005	−.308