Research on three classroom environment instruments is discussed, including predictive validity studies and criterion validity studies. A heuristic model involving curriculum, aptitude, environment, and learning is used to conceptualize the variables' roles in curriculum evaluation research. Evidence suggests that curriculum influences classroom…

Educational environment data derived from classroom settings strongly suggest the positive contribution that climate variables can make in accounting for learning performance. Such measures are not only related to productivity but may constitute criterion variables in and of themselves. (Author)