Much effort has been invested in time-on-task research. Time-on-task is described as a proxy term for the notion of "attention," and the findings of time-on-task research are described as less relevant to the classroom teacher than information contained in methods texts. (JN)

Three researchers, addressing the problem of instructional improvement, identify sound research findings and cite problems associated with the transfer of these findings into classroom practice. Donald M. Medley, in "An Overview of Research on Classroom Teaching," identifies three variables which consistently differentiate between effective and…

Generalizations arising from effective teaching studies are vulnerable because they are not based on a theoretical perspective of how learning occurs or can be improved, but have resulted from observations of what teachers appear to be doing when students are learning. Critics of teacher effectiveness studies contend that good instruction requires…