Across a variety of disciplines and areas of inquiry, reliable and valid measures are a cornerstone of quality research. This is the case because to have confidence in the findings of our studies, we must first have confidence in the quality of our measures. This article briefly reviews the literature on scale development and provides an empirical…

This paper presents a review of the literature, examines available empirical studies related to successful staff development programs, and provides recommendations to school administrators and teachers with respect to the establishment of effective programs. Staff development is defined as any inservice activity that can potentially increase an…