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Pre-course Results from the Astronomy Diagnostic Test

Published online by Cambridge University Press:  05 March 2013

Beth Hufnagel
Affiliation:
Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA; hufnagel@astro.umd.edu Department of Physics, University of Maryland, College Park, MD 20742, USA Present address: Anne Arundel Community College, 101 College Parkway, Annapolis, MD 21012-1895, USA
Timothy Slater
Affiliation:
Department of Physics, Montana State University, Bozeman, MT 59717-3840, USA
Grace Deming
Affiliation:
Department of Astronomy, University of Maryland, College Park, MD 20742-2421, USA; hufnagel@astro.umd.edu
Jeff Adams
Affiliation:
Department of Physics, Montana State University, Bozeman, MT 59717-3840, USA
Rebecca L. Adrian
Affiliation:
Department of Physics and Astronomy, University of Nebraska, Lincoln, NE 68588-0111, USA
Christine Brick
Affiliation:
Department of Earth Sciences, Montana State University, Bozeman, MT 59717-3840, USA
Michael Zeilik
Affiliation:
Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA
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Abstract

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We present selected results from the January 1999 semester pre-course administration of the Astronomy Diagnostic Test (ADT), a research-based, multiple-choice instrument that assesses student knowledge and understanding about selected concepts in astronomy. The ADT is valid for undergraduate non-science majors taking an introductory astronomy course. This paper briefly summarises the development and validation processes, which included pre-course administration to 1557 students in 22 classes attending 17 various post-secondary institutions across the USA in the January 1999 semester. Two interesting results of the ADT's pre-course administration are (1) the average class score of the ADT is about the same (32%) regardless of type of post-secondary institution or class size and (2) there is a significant gender difference, with women scoring an average of 28% and men 38%, with the standard errors both less than 1%. The current version of the ADT (Version 2 dated 21 June 1999) and a comparative by-class database is available to astronomy instructors at the (USA) Association of Astronomy Educators' and the National Institute for Science Education's (NISE) WebPages.

Type
Research Article
Copyright
Copyright © Astronomical Society of Australia 2000

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