Recent work has included several studies related to value - added measures of teacher performance, teacher effectiveness in the early grades, school choice, teacher mobility and special needs identification. (edimpactlab.com)
Because the main objective is to accurately classify teacher performance, most discussions of measures of teacher performance focus on validity and reliability. (carnegieknowledgenetwork.org)
A valid measure of teacher performance is one designed to capture how well teachers contribute to the student outcomes we value most. (carnegieknowledgenetwork.org)