The effect of implementing cognitive load theory-based design principles in virtual reality simulation training of surgical skills: a randomized controlled trial

Table 3 Final-product performance of virtual mastoidectomy (26-item modified Welling scale, maximum score 26)

	Control group	95 % CI	Intervention group	95 % CI	p
Post-training session 1	15.5	13.6–17.4	12.2	10.2–14.1	0.45
Post-training session 2	15.4	13.9–16.9	13.8	12.1–15.6	0.45
Post-training mean	15.4	14.4–16.5	13.0	11.8–14.4	<0.005^*

ISSN: 2059-0628