Developed by R. E. Yeend
|Purpose||To assess students' understanding of density.|
|Focus||Mechanics Content knowledge (density)|
|Level||Intro college, High school, Middle school|
Sample questions from the DS:
This is the third highest level of research validation, corresponding to at least 3 of the validation categories below.
Research Validation Summary
Based on Research Into:
- Student thinking
- Student interviews
- Expert review
- Appropriate statistical analysis
- At multiple institutions
- By multiple research groups
- Peer-reviewed publication
The multiple-choice questions on the Density Survey were developed based on a survey of the literature and one-on-one interviews with seven high school students. The DS questions underwent expert review by three university faculty and six precollege science teachers. The DS has been given to over 750 middle school, high school, and college students and the results are published in one peer-reviewed paper.
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Typical results on the Density Survey. MS 1 and 2 = middle school students, HS 1 and 2 = high school students, CS 1 and 2 = college students. From Yeed, Loverude and Gonzalez, 2001.
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The latest version of the DS, released in 2001, is version 1.