I Vote No on VOTE (Videotaped Observations for Teacher Evaluation)
I Vote No on VOTE (Videotaped Observations for Teacher Evaluation)
Stephen Krashen
The New York Times recently ran two articles on videotaped observations for teacher evaluation. One of the articles reported that Bill Gates has invested $335 million on research to evaluate this approach ("Teacher Ratings Get New Look, Pushed by a Rich Watcher," Dec. 3).
Research uses a bogus measure: The goal of the Gates-funded research is to find correlations between teaching practices observed on the videotapes and achievement. Achievement will be measured by the use of value-added scores, gains on standardized tests. The use of value-added scores has already been thoroughly criticized as being unstable and invalid as a measure of teaching effectiveness. The Times did not mention the controversy
