This study utilized a quantitative research approach with a survey design to determine whether a sample of K-8 principals in the state of Illinois, that rated teachers in a set of classroom instructional videos, exhibited inter-rater reliability since they all received the Illinois state-approved training and certification for teacher evaluators.…

Teacher value-added models (VAMs) must isolate teachers' contributions to student achievement to be valid. Well-known VAMs use different specifications, however, leaving policymakers with little clear guidance for constructing a valid model. We examine the sensitivity of teacher value-added estimates under different models based on whether they…

"TAP"™: "The System for Teacher and Student Advancement (TAP™)" is an educator effectiveness program that aims to improve student achievement through supports and incentives for teachers. Based on the research, "TAP"™ teachers were found to have no discernible effects on student achievement in science, English…

For five years running, the National Council on Teacher Quality (NCTQ) has tracked states' teacher policies, preparing a detailed and thorough compendium of teacher policy in the United States on topics related to teacher preparation, licensure, evaluation, career advancement, tenure, compensation, pensions and dismissal. The 2011 State Teacher…