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Direct linkBailey, Janelle M.; Prather, Edward E.; Johnson, Bruce; Slater, Timothy F. – Astronomy Education Review, 2009
This study (Note 1) investigated the beliefs about stars that students hold when they enter an undergraduate introductory astronomy course for nonscience majors. Students' preinstructional ideas were investigated through the use of several student-supplied-response (SSR) surveys, which asked students to describe their ideas about topics such as…
Descriptors: Nonmajors, Science Instruction, Astronomy, Undergraduate Students
Wallace, Colin S.; Bailey, Janelle M. – Astronomy Education Review, 2010
Although concept inventories are among the most frequently used tools in the physics and astronomy education communities, they are rarely evaluated using item response theory (IRT). When IRT models fit the data, they offer sample-independent estimates of item and person parameters. IRT may also provide a way to measure students' learning gains…
Descriptors: Astronomy, Science Tests, Multiple Choice Tests, Item Response Theory
