https://www.selleckchem.com/pr....oducts/resatorvid.ht
Medical faculty's teaching performance is often measured using residents' feedback, collected by questionnaires. Researchers extensively studied the psychometric qualities of resulting ratings. However, these studies rarely consider the number of response categories and its consequences for residents' ratings of faculty's teaching performance. We compared the variability of residents' ratings measured by five- and seven-point response scales. This retrospective study used teaching performance data from Dutch anaesthesiology residency