Fig. 2

Item functioning patterns for the GAENE. a The frequency of participants selecting each answer option. b The mean overall Rasch person measures as a function of the answer option selected for each item. c Andrich deltas (also called Rasch-Andrich thresholds or step parameters). Analogous statistics were used by Smith et al. (2016) to establish separation patterns. d, e, and f illustrate post-course results in parallel to the pre-course results shown in a, b, and c