Descriptive analyses of socially important or theoretically interesting phenomena and trends are a vital component of research in the behavioral, social, economic, and health sciences. Such analyses yield reliable results when using representative individual participant data (IPD) from studies with complex survey designs, including educational…

Background/Context: Determining the effectiveness of reform strategies is a major part of the current and future educational research agenda. Effects of education reforms will be evaluated largely quantitatively, and an important aspect of this work will be judging how well reform strategies work. The rhetoric of contemporary school reform…