Teachers' general pedagogical/psychological knowledge (PPK) can be defined as the knowledge needed to create and optimize teaching-learning situations across subjects, including declarative and procedural knowledge of classroom management, teaching methods, classroom assessment, and student heterogeneity. Although PPK is thought to be an important…

In this article, we examine the construct and criteria validity of student and teacher ratings as indicators of instructional features. As parsimonious measures, student and teacher reports are frequently used to assess aspects of the learning environment. From a methodological perspective, however, both approaches have been questioned. Whereas…