1. (* shows the studies included in the meta-analysis.)
Ada, S. ve Ünal, S. (2009). Eğitim bilimine giriş. Ankara: Nobel.
2. *Atia, K. M. (2012). Exploring the influence of a summer professional development program on teachers' self-effıcacy belief outcomes and the possible effect on science CST scores (Publication No. 923853630) (Unpublished master thesis, California State University). ProQuest Dissertations and Theses Global.
3. Avalos, B. (2011). Teacher professional development in teaching and teacher education over ten years. Teaching and Teacher Education, 27(1), 10-20.
4. Avidav, A. (2000). Professional career empowerment amongst teachers in primary school: The concept and its components (Unpublished PhD thesis), Hebrew University.
5. Bandura, A. (1977). Self-efficacy: Toward a unifying theory of behavioral change. Psychological Review, 84, 191-215.