Developed by E. F. Redish, J. M. Saul, & R. N. Steinberg
|Purpose||To probe some aspects of student expectations in physics courses and measure the distribution of student views at the beginning and end of the course.|
|Format||Pre/post, Multiple-choice, Agree/disagree|
|Focus||Beliefs / Attitudes (epistemological beliefs)|
|Level||Upper-level, Intermediate, Intro college, High school|
Sample questions from the MPEX:
A significant problem in this course is being able to memorize all the information I need to know.
Strongly Disagree 1 2 3 4 5 Strongly Agree
Knowledge in physics consists of many pieces of information each of which applies primarily to a specific situation.
Strongly Disagree 1 2 3 4 5 Strongly Agree
This is the highest level of research validation, corresponding to all seven 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 questions on the MPEX were chosen through literature review, discussion with faculty and the researchers’ personal experiences. Over 100 hours of student interviews were conducted to validate that students read and interpreted the questions in the way intended. MPEX data was collected from calibration groups with varying expertise in physics to confirm that MPEX scores increased with increasing experience in physics. Appropriate statistical analyses were conducted and the MPEX was found to be reliable and have good internal consistency. The MPEX has been administered at over 10 institutions with over 1500 students at varying course levels and teaching methods.
- A. Elby, Helping physics students learn how to learn, Am. J. Phys. 69 (S1), S54 (2001).
- A. Madsen, S. McKagan, and E. Sayre, How physics instruction impacts students’ beliefs about learning physics: A meta-analysis of 24 studies, Phys. Rev. ST Phys. Educ. Res. 11 (1), 010115 (2015).
- J. Marx and K. Cummings, What Factors Really Influence Shifts in Students' Attitudes and Expectations in an Introductory Physics Course?, presented at the Physics Education Research Conference 2006, Syracuse, New York, 2006.
- C. Omasits and D. Wagner, Investigating the Validity of the MPEX Survey, presented at the Physics Education Research Conference 2005, Salt Lake City, Utah, 2005.
- E. Redish, J. Saul, and R. Steinberg, Student expectations in introductory physics, Am. J. Phys. 66 (3), 212 (1998).
- J. Saul, Beyond problem solving: Evaluating introductory physics courses through the hidden curriculum, Dissertation, University of Maryland, 1998.
- J. Saul, R. Steinberg, and E. Redish, Comparison of student expectations in introductory calculus-based physics courses, AAPT Announcer 26 (2), 98 (1996).
- U. Wutchana and N. Emarat, Student effort expectations and their learning in first-year introductory physics: A case study in Thailand, Phys. Rev. ST Phys. Educ. Res. 7 (1), 010111 (2011).
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|Spanish||José Luis Santana Fajardo|
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Download the MPEX answer key.
Download the MPEX scoring tool.
Typical results from Madsen et. al 2015:
In typical physics classes, students’ beliefs usually deteriorate or at best stay the same. There are a few types of interventions, including an explicit focus on model-building and/or developing expert-like beliefs that appear to lead to significant improvements in beliefs. Further, small courses and those for elementary education and non-science majors also result in improved beliefs. However, because the available data oversamples certain types of classes, it is unclear what leads to these improvements. The figure below depicts CLASS and MPEX pre- and post-test scores and shifts for a variety of teaching methods. The CLASS and MPEX are similar in the way they measure students beliefs about physics and learning physics, so the scores for these tests have been combined. Further, there is less published data for the MPEX (n=1316) than the CLASS (n=9296), and there are teaching method categories with only one published MPEX study or none at all, so combining the data from the CLASS and MPEX allows us to draw more conclusions.
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The latest version of the MPEX, released in 1997, is version 4.0.