Date of Award


Document Type

Open Access Dissertation

Degree Name

Doctor of Philosophy in Public Policy


Muskie School of Public Service

First Advisor

Catherine Fallona

Second Advisor

David L. Silvernail

Third Advisor

Ronald Latanision


learning experience, teaching characteristics, professional development activities


Committed elementary teachers of science and engineering, members of a professional learning community called Collaborative Conversations in STEM, were studied to elicit their perceptions of experiences that influenced their commitment to, and their pedagogical content knowledge of, STEM teaching and learning.