Table 1.

Characteristics of clinics, trainers, tasks, observation and feedback during mini-clinical evaluation exercises (mini-CEX)

Clinic size	‘small’	29 clinics with n = 437 trainers’ ratingsa
	‘medium-sized’	10 clinics with n = 462 trainers’ ratings
	‘large’	6 clinics with n = 874 trainers’ ratings
Trainers	residents	54 % of the mini-CEX (n = 957)
	senior physicians	36 % of the mini-CEX (n = 638)
	heads of department	9 % of the mini-CEX (n = 160)
	no information	1 % of the mini-CEX (n = 18)
Task complexity	‘low complexity’	9 % of the mini-CEX (n = 160)
	‘medium complexity’	65 % of the mini-CEX (n = 1152)
	‘high complexity’	17 % of the mini-CEX (n = 301)
	no information	9 % of the mini-CEX (n = 160)
Duration	of observation	Median = 15 min
	of feedback	Median = 5 min

^aFor a total of 1773 mini-CEX after exclusion of one student with 10 mini-CEX (outlier)