Contains the proceedings of the 2005 Physics Education Research Conference based on the theme "Connecting Physics Education Research Teacher Education at All Levels: K-20." With an emphasis on undergraduate instruction, the conference covered student learning of specific topics, student attitudes, and the effectiveness of various teaching methods.

The papers included in this proceedings have been peer-reviewed. The 2005 Physics Education Research Conference covered a broad spectrum of current research directions including student learning of specific topics, student attitudes, and the effectiveness of various teaching methods. The emphasis was on undergraduate instruction. The theme of this conference was "Connecting Physics Education Research Teacher Education at All Levels: K-20."