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Wallace, Colin S. – ProQuest LLC, 2011
This study reports the results of the first systematic investigation into Astro 101 students' conceptual and reasoning difficulties with cosmology. We developed four surveys with which we measured students' conceptual knowledge of the Big Bang, the expansion and evolution of the universe, and the evidence for dark matter. Our classical test theory…
Descriptors: Learning Problems, Astronomy, College Students, Lecture Method
Ludlow, Carlyn – ProQuest LLC, 2010
The purpose of this descriptive and comparative study was to investigate the self-assessed efficacy levels of alternatively-certified teachers in Arizona. More specifically, this study examined the teachers' perceived ability to influence student learning and the extent to which, if at all, their self-reported efficacy levels differed based on the…
Descriptors: Classroom Techniques, Mentors, Teacher Effectiveness, Self Efficacy