For almost two decades, there has been growing interest in what design-based research (DBR) can contribute to both educational practice and theory. Since its introduction into the literature, this orientation to educational research has repeatedly been likened to aeronautical engineering as a way to clarify its nature and argue its potential. This…

A discussion of the research'' approach, which involves training teachers to solve classroom problems through scientific problem-solving methods - that is, through the formulation and testing of hypothesis about instructional problems. (Author/HB)

A major variable by which national educational systems may be compared is their structural differentiation, defined (1) as a process, referring to the multiplication of one structural element into two or more structurally distinct elements; and (2) as a state, referring to the number of structurally distinct elements which exist in a system at a…

Using a systems approach to determine the relationship between modernization and education, data were analyzed from questionnaire responses returned by the chief administrators of 1,124 public high schools. The schools were a selected sample of the schools attended by the 28,000 pupils included in the October 1965, educational supplement of the…