Table 1.

Performance in each area assessed (out of 5) pre-, mid- and post-intervention (n = 87 students)

	Pre-intervention mean assessment score (SD)	Mid-intervention mean assessment score (SD)	Post- intervention mean assessment score (SD)	p-value1
Grayscale	3.1 (1.02)	3.1 (1.03)	3.4 (0.90)	0.025
Size (PAa view)	3.3 (1.42)	3.8 (1.16)	4.0 (1.13)	< 0.001
Shape	2.6 (1.14)	2.9 (0.85)	3.2 (1.05)	< 0.001
Position	3.6 (1.17)	3.8 (0.97)	4.0 (1.08)	0.049
Diagnosis	0.6 (0.81)	0.6 (0.84)	1.2 (1.27)	< 0.001

¹From repeated measures ANOVA

^aPosteroanterior