The research presented in this dissertation describes a series of studies characterizing and assessing undergraduate chemistry students' knowledge related to the epistemic nature of scientific models and modeling. Engaging in authentic scientific practices, for instance, developing and using scientific models, has been identified as an important…

High-stakes testing policies have reduced elementary-level instructional time for untested subjects, raising questions about the extent to which students' content knowledge in social studies has been compromised. This research project compared social studies assessment performance of two student cohorts from the same school district, one required…

Sustainable development is significant to the future of our environment and society. Sustainability demands an integrated approach to not only combating climate change, but also reversing social injustices. To ensure future generations are armed with the right information to make the best possible decisions in their future professions, we must…

The purpose of this study was to measure the difference in achievement between those students enrolled in a beginning-level, university Algebra course in southeastern Idaho university the spring semester of 2012 who received an Algebra Exponents and Polynomials instructional unit in a traditional face-to-face setting and those students who…