Apprentices' performance after vocational educational training (VET) is commonly attributed to more or less effective training. This implies the assumption that learning is significantly affected by vocational instruction (instructional sensitivity). However, the question has not been investigated yet if VETs are effective, i.e., that they foster…

Certain item features can be used to explain the difference between the difficulties of items. These item features can relate to the steps necessary to solve the problems or ways in which a increased understanding of material is acquired. This study will examine the relationship between item difficulty and the process skills associated with these…