Fig. 3

Evaluation of ICCD vs. lecture. A Kiviat diagram representing students´ mean subjective assessment after attending lectures alone (round dots) and after attending both lectures and ICCD (long dashes) in categories knowledge, skill, attitude, and overall grade each represented on one of the axes of the diagram. Students were asked to rate their gain in each of the categories for both tutorial and the respective lecture on a five-point Likert scale with 1 denoting the greatest and 5 the lowest degree of satisfaction. Questionnaires were administered immediately after each tutorial. Tutorials took place one week after the general lecture. All differences are significant (p < .01). Effect size was calculated using Cramer´s V