Does NBPTS Certification Affect the Number of Colleagues a Teacher Helps with Instructional Matters?

Autor: Frank, Kenneth A., Sykes, Gary, Anagnostopoulos, Dorothea, Cannata, Marisa, Chard, Linda, Krause, Ann, McCrory, Raven
Zdroj: Educational Evaluation and Policy Analysis, 2008 Mar 01. 30(1), 3-30.
Databáze: JSTOR Journals