This research presents the investigation of physics students' and physics faculty members' professional development and a design methodology via which we could best support them in their professional development. In particular, the first part of this dissertation will focus on undergraduate upper-division physics students' conceptual learning and…

This qualitative study of four executive doctoral programs for experienced educational leaders examines the relationship between specific program features and learning opportunities for students. I found that the weekend format, cohort model, and professionally grounded curriculum and assessments provided important opportunities for reflective…

How do you dynamically customize the programming language available in a context within an existing system, without changing the underlying system? This dissertation introduces a language design approach that addresses this problem. The basic idea is to structure programs as systems of multiple interacting levels of abstraction, where all of the…