Student Understanding of Gravity in Introductory College Astronomy.

摘要: Twenty-four free-response questions were developed to explore introductory college astronomy students’ understanding of gravity in a variety contexts, including and around Earth, throughout the solar system, hypothetical situations. Questions separated into three questionnaires, each which was given section with 143, 137, 32 respondents, respectively. Combined 15 interviews, exploratory, open-response format allowed themes emerge naturally, both documented undocumented misconceptions observed. The breadth for descriptions possible student mental frameworks, alternative models misapplication scientific model.