How can we teach medical students to choose wisely? A randomised controlled cross-over study of video- versus text-based case scenarios

Table 1 Impact of alignment between presentation format during e-seminars and formative exams on student performance

Presentation format		Percent scores achieved in the formative exams
E-seminars	Formative exam	Exit exam	Retention test
Text	Text	77.4 ± 21.0^a	71.6 ± 20.4^d,e
Text	Video	67.3 ± 22.2^a,b	61.3 ± 25.4^d,f
Video	Text	79.0 ± 20.2^b,c	72.8 ± 23.1^f,g
Video	Video	73.4 ± 22.3^c	65.6 ± 22.5^e,g

The Friedman test was significant for both the exit exam and the retention test. Different pairs of superscript letters indicate a significant difference between two groups in Wilcoxon signed-rank tests after Bonferroni correction for multiple comparisons

ISSN: 1741-7015