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Barrett, Nathan; Butler, J. S.; Toma, Eugenia F. – Evaluation Review, 2012
Background: In an ongoing effort to improve teacher quality, most states require continuing education or professional development for their in-service teachers. Studies evaluating the effectiveness of various professional development programs have assumed a normal distribution of quality of teachers participating in the programs. Because…
Descriptors: Teacher Effectiveness, Program Effectiveness, Faculty Development, Professional Continuing Education