This article focuses on the use of statistics in policy and evaluation research and the need to present statistical information in a form that is meaningful to mixed audiences. Three guidelines for formulating and presenting meaningful statistics are outlined. Understandability ensures that knowledge of statistical methods is not required for…

In this article, I outline how, with the appropriate mix of external requirements and internal motivation, structure and capacity, a school can promote and maintain a culture of evaluative practices, specifically data use, for continuous improvement. I draw upon qualitative data conducted in a study of an Edison Project school. The findings from…