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Direct linkSimon, Molly N.; Prather, Edward E.; Buxner, Sanlyn R.; Impey, Chris D. – International Journal of Science Education, 2019
The discovery and characterisation of planets orbiting distant stars has shed light on the origin of our own Solar System. It is important that college-level introductory astronomy students have a general understanding of the planet formation process before they are able to draw parallels between extrasolar systems and our own Solar System. In…
Descriptors: Measures (Individuals), Test Validity, Test Reliability, Student Evaluation
Williamson, Kathryn E.; Willoughby, Shannon; Prather, Edward E. – Astronomy Education Review, 2013
We introduce the Newtonian Gravity Concept Inventory (NGCI), a 26-item multiple-choice instrument to assess introductory general education college astronomy ("Astro 101") student understanding of Newtonian gravity. This paper describes the development of the NGCI through four phases: Planning, Construction, Quantitative Analysis, and…
Descriptors: Science Instruction, Scientific Concepts, Astronomy, College Science
Bailey, Janelle M.; Johnson, Bruce; Prather, Edward E.; Slater, Timothy F. – International Journal of Science Education, 2012
Concept inventories (CIs)--typically multiple-choice instruments that focus on a single or small subset of closely related topics--have been used in science education for more than a decade. This paper describes the development and validation of a new CI for astronomy, the "Star Properties Concept Inventory" (SPCI). Questions cover the areas of…
Descriptors: Educational Strategies, Validity, Testing, Astronomy
Schlingman, Wayne M.; Prather, Edward E.; Wallace, Colin S.; Brissenden, Gina; Rudolph, Alexander L. – Astronomy Education Review, 2012
This paper is the first in a series of investigations into the data from the recent national study using the Light and Spectroscopy Concept Inventory (LSCI). In this paper, we use classical test theory to form a framework of results that will be used to evaluate individual item difficulties, item discriminations, and the overall reliability of the…
Descriptors: Item Response Theory, Spectroscopy, Investigations, Light
Wallace, Colin S.; Prather, Edward E.; Duncan, Douglas K. – Astronomy Education Review, 2011
This is the first in a series of five articles describing a national study of general education astronomy students' conceptual and reasoning difficulties with cosmology. In this paper, we describe the process by which we designed four new surveys to assess general education astronomy students' conceptual cosmology knowledge. These surveys focused…
Descriptors: General Education, Astronomy, Surveys, Evolution
Wallace, Colin S.; Prather, Edward E.; Duncan, Douglas K. – Astronomy Education Review, 2011
This is the second of five papers detailing our national study of general education astronomy students' conceptual and reasoning difficulties with cosmology. This article begins our quantitative investigation of the data. We describe how we scored students' responses to four conceptual cosmology surveys, and we present evidence for the inter-rater…
Descriptors: Astronomy, Scientific Concepts, College Students, Introductory Courses
