Describes a competency assessment system developed for use with preservice and inservice teachers and reports the reliability and validity of the instrument. Presents data from a tryout of the assessment system with a group of preservice science teachers. (CS)

The statewide teaching performance assessment instruments being used in Georgia, North Carolina, and Florida were examined. Forty-one reliability and validity studies regarding the instruments in use in each state were collected from state departments and universities. Georgia uses the Georgia Teacher Performance Assessment Instrument. North…

An overview is presented of a performance-based assessment system, Teacher Performance Assessment Instruments (TPAI), developed by the Teacher Assessment Project at the University of Georgia to measure competencies of beginning teachers for initial professional certification. To clearly separate the preparation and certification functions within…

The influence of day-to-day variation in teacher performance on the reliability and validity of teacher assessment was examined. An attempt was made to identify and quantify sources of score variation attributable to differences in teacher performance, day of observation, observers, and test subscales; and to determine their effects on reliability…

This paper assesses the credibility of a single total instrument score and various logical sub-scores derived from a series of summative judgments about the quality of teaching performance. The objectives were to compare the generalizability of alternative Teacher Performance Assessment Instrument (TPAI) scores, to compare the dependability of…