High-quality measurement tools are critical to school improvement efforts. Education researchers frequently employ surveys in order to assess a host of variables associated with school improvement. This article asserts that Rasch modeling techniques enhance the quality of a measurement tool because they comprise elements of both qualitative and…

This paper reports on the final phase of a three-part study on the status of instructional supervision within several New York City public schools. In the first parts of the study the researchers found, through extensive use of surveys (questionnaires and interviews), that centralized educational reform had serious consequences for instructional…