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Work-in-Progress: Initial Investigation into the Effect of Homework Solution Media on Fundamental Statics Comprehension

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2012 ASEE Annual Conference & Exposition


San Antonio, Texas

Publication Date

June 10, 2012

Start Date

June 10, 2012

End Date

June 13, 2012



Conference Session

Technology in Mechanics Education

Tagged Division


Page Count


Page Numbers

25.1491.1 - 25.1491.8



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Paper Authors


Sean Moseley Rose-Hulman Institute of Technology

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Sean Moseley is Assistant Professor of mechanical engineering.

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Shannon M. Sexton Rose-Hulman Institute of Technology

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Work In Progress: Initial Investigation into the Effect of Homework Solution Media on Fundamental Statics ComprehensionThis paper will report on the initial results of a new study initiated to determine if having accessto annotated videos (as compared to static screenshots) of homework solutions impacts studentcomprehension of fundamental statics concepts. The participants are undergraduate studentsenrolled in a required course “Statics and Mechanics of Materials”. Students have access to thehomework solutions after the respective assignment is due as part of the standard coursemanagement software. The homework solution made available has been varied between a statichomework solution (a simple PDF of a completed solution from a tablet PC) and an annotatedvideo of the homework solution (e.g. a screencast and audio recording of the instructor’s tabletPC while solving the homework problem). See Figure 1 for an example of a static homeworksolution. The annotated video of this homework solution would consist of the lines of thesolution appearing one by one, accompanied by an audio explanation of the justification andreasoning behind the steps. The change in homework solution format occurred between twodifferent quarters when the class is normally offered.Assessment of the impact of these homework solutions will be done by administering a StaticsConcept Inventory near the beginning and end of the quarter. Comparisons of studentimprovement will be made between different categories of students, specifically those who didand did not access the different homework solution formats. To account for the differentbackground levels of preparation, normalized percentage gain in the concept inventory will beused as the basis for comparison. Demographic information will be used to explore the resultswhile keeping the identity of the students confidential. In addition to the Concept Inventoryscores, the results of a qualitative questionnaire asking about student’s attitudes towards thehomework solutions may be presented.The pedagogical theories that underlie this study are the existing work on a Statics ConceptInventory (Steif and Dantzler 2005, Steif and Hansen 2006) and highly-guided instruction(Kirschner, Sweller, and Clark 2006).Figure 1. Example static homework solution used in this study

Moseley, S., & Sexton, S. M. (2012, June), Work-in-Progress: Initial Investigation into the Effect of Homework Solution Media on Fundamental Statics Comprehension Paper presented at 2012 ASEE Annual Conference & Exposition, San Antonio, Texas. 10.18260/1-2--22248

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