In current teacher evaluation systems, the two main purposes of evaluation--accountability/goal accomplishment (summative) and professional growth/improvement (formative)--are often at odds with one another. However, they are not only compatible, but linking them within a unified teacher evaluation system may, in fact, be desirable. The challenge…

The purpose of this qualitative study was to identify the most influential elements of teacher evaluation as perceived by K-8 teachers and administrators, determined through their lived experiences related to this topic. The researcher utilized a phenomenological approach in this study, engaging in semi-structured interviews of 11 K-8 teachers and…

Student Growth Percentiles (SGPs) are increasingly being used in evaluations of teacher effectiveness. This study investigates two properties of SGPs: 1) SGP sensitivity to reference group characteristics such as sample size, free and reduced lunch (FRL) status, and English language learner (ELL) status; and 2) variation in score changes across…

This is a keynote presentation given at AERA on developing a validity agenda for growth models in a large scale (e.g., state) setting. The emphasis of this presentation was to indicate that growth models and the validity agenda designed to provide evidence in supporting the claims to be made need to be personalized to meet the local or…

As States and districts implement educator evaluation systems that include measures of student growth, one of the challenges they face is identifying measures for non-tested grades and subjects. Using student learning objectives (SLOs) is one promising approach to addressing this challenge. This brief describes the key elements and challenges of…

The country is at a crossroads in implementing measures of educator effectiveness in K-12 classrooms. While the vast majority of states require student growth and achievement to be factored into teacher and principal evaluations, most states and school districts are now grappling with the practical realities of implementing these policies. In this…