The previous articles on class size and other productivity research paint a complex and confusing picture of the relationship between policy variables and student achievement. Missing is a conceptual scheme capable of combining the seemingly unrelated research and dissimilar estimates of effect size into a unified structure for policy analysis and…

This looseleaf teacher's manual is designed to facilitate using Science Curriculum Improvement Study (SCIS) for energy education in elementary schools. It is intended to be used with the SCIS Teacher's Guide as a supplement. The format of this manual matches a main SCIS concept with a closely related energy concept. Matrices show matched concepts…

Research was conducted that initially focused on identifying and synthesizing the large number of previously identified vocational special needs teacher competencies into an educational model. The model contained a matrix that organized all these competencies into twelve domains of four performance phases each. The Competency Matrix was the…