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 9 A table demonstrating a multiple linear regression used to evaluate the impact of the app on radiographers’ level of confidence in reviewing MR image quality

	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
Confidence level in identifying the type of the image quality errors	Intercept	22.267	3.603		3.295	<0.002	8.502	36.032	0.231
	Access to the App	−.876	1.696	−.078	−.516	0.609	−4.331	2.579
	Pre-test	−.258	0.075	−.519	−3.447	<.002	0.410	−.106
Confidence level in specifying the appropriate correct strategy	Intercept	35.856	6.587		5.443	<0.001	224.38	49.274	0.454
	Access to the App	0.790	2.035	0.049	0.378	0.700	−3.355	3.238
	Pre-test	−.770	0.078	−.696	−5.492	<0.001	−.590	−.271