This volume presents the results of the Cohort ’18 Hungarian Birth Cohort Study as the third output in the research series. The first contained the theoretical, methodological and organizational tasks preceding the prenatal data collection wave. The second volume presented the theoretical...

In this report, we describe the value-added model used as part of the state of Oklahoma’s Teacher and Leader Effectiveness Evaluation System. We estimated measures of teacher and school effectiveness based on instruction provided in the 2013–2014 school year.