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ERIC Number: EJ1040057
Record Type: Journal
Publication Date: 2014
Pages: 22
Abstractor: As Provided
ISSN: EISSN-1554-9178
Comparison of Performance on Multiple-Choice Questions and Open-Ended Questions in an Introductory Astronomy Laboratory
Wooten, Michelle M.; Cool, Adrienne M.; Prather, Edward E.; Tanner, Kimberly D.
Physical Review Special Topics - Physics Education Research, v10 n2 p020103-1-020103-22 Jul-Dec 2014
When considering the variety of questions that can be used to measure students' learning, instructors may choose to use multiple-choice questions, which are easier to score than responses to open-ended questions. However, by design, analyses of multiple-choice responses cannot describe all of students' understanding. One method that can be used to learn more about students' learning is the analysis of the open-ended responses students' provide when explaining their multiple-choice response. In this study, we examined the extent to which introductory astronomy students' performance on multiple-choice questions was comparable to their ability to provide evidence when asked to respond to an open-ended question. We quantified students' open-ended responses by developing rubrics that allowed us to score the amount of relevant evidence students' provided. A "minimum rubric score" was determined for each question based on two astronomy educators perception of the minimum amount of evidence needed to substantiate a scientifically accurate multiple-choice response. The percentage of students meeting both criteria of (1) attaining the minimum rubric score and (2) selecting the correct multiple-choice response was examined at three different phases of instruction: directly before lab instruction, directly after lab instruction, and at the end of the semester. Results suggested that a greater proportion of students were able to choose the correct multiple-choice response than were able to provide responses that attained the minimum rubric score at both the post-lab and post-instruction phases.
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Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A