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Assessment of CAD Related Items for a Concept Inventory for Engineering Graphics

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Conference

2017 ASEE Annual Conference & Exposition

Location

Columbus, Ohio

Publication Date

June 24, 2017

Start Date

June 24, 2017

End Date

June 28, 2018

Conference Session

Engineering Design Graphics Division Technical Session 1: Instructional

Tagged Division

Engineering Design Graphics

Page Count

11

Permanent URL

https://peer.asee.org/27633

Download Count

13

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Paper Authors

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Kaloki Nabutola Embry-Riddle Aeronautical University, Daytona Beach

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Heidi M. Steinhauer Embry-Riddle Aeronautical University, Daytona Beach

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Heidi M. Steinhauer is an Associate Professor of Engineering, Department Chair of the Engineering Fundamentals Department, co-advisor for the only all-women’s Baja SAE Team, Founding Member of FIRST (Female Initiative Reaching Success Together), and former director for GEMS (Girls in Engineering, Math, and Science). Dr. Steinhauer’s awards include the ABET Presidential Award of Diversity and a three time winner of the Women’s Vision Award. She has presented papers at ASEE Annual Conference, the ASEE Global Colloquium, Research in Engineering Education Symposium, Engineering Design Graphics Division Mid-Year Conference, Additive Manufacturers Users Group, and Solid Free-Form Fabrication Symposium. Her research interests center around the development and assessment of students’ spatial visualization skills, the effective integration of 3D modeling into engineering design, and the impact of contextualized hands-on applications on student learning and success. She has taught Engineering Graphics, Introduction to Engineering Design, Automation and Rapid Prototyping, Additive Manufacturing, and has developed several advanced applications of 3D modeling courses. Dr. Steinhauer received her B.S. in Aircraft Engineering and her M.S. in Systems Engineering, and her Ph.D. in Engineering Education from Virginia Tech.

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Theodore J. Branoff Illinois State University

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Dr. Branoff is a professor and chair of the Department of Technology at Illinois State University. He taught engineering graphics, computer-aided design, descriptive geometry, and instructional design courses in the College of Education at North Carolina State University from 1986-2014. He also worked for Siemens-Switchgear Division and for Measurement Group, Inc. Dr. Branoff's research interests include constraint-based solid modeling strategies and spatial visualization abilities in undergraduate students. He has conducted CAD and Geometric Dimensioning and Tolerancing workshops for both industry and education professionals. Dr. Branoff served as President of the International Society for Geometry and Graphics from 2009-2012. In 2013 he was elected into the Academy of Fellows of the ASEE, and in 2014 he received the Distinguished Service Award from the Engineering Design Graphics Division of ASEE. In April of 2015 Dr. Branoff received the Orthogonal Medal for distinguished service in graphic science from the Technology, Engineering & Design Education faculty at North Carolina State University.

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Nancy E. Study Pennsylvania State University, Behrend

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Dr. Nancy E. Study is on the faculty of the School of Engineering at Penn State Behrend where she teaches courses in engineering graphics and rapid prototyping, and is the coordinator of the rapid prototyping lab. Her research interests include visualization and haptics. Nancy is a former chair of the ASEE Engineering Design Graphics Division and is currently the Circulation Manager and Treasurer of the Engineering Design Graphics Journal. She received her B.S. from Missouri State University, and M.S. and Ph.D. from Purdue University.

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Craig L. Miller Purdue University, West Lafayette

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Steven Y. Nozaki Ohio State University Orcid 16x16 orcid.org/0000-0003-4733-246X

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PhD - Engineering Education, The Ohio State University
MS - Civil Engineering, The Ohio State University

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Abstract

Concept Inventories (CI) are designed to measure student understanding of fundamental concepts and have been used in education reform efforts for the past several years. A CI for engineering graphics is currently being developed. The original intent of the graphics CI was that it would include both “modern” (i.e., CAD) and “traditional” (i.e., sketching, conventions, etc.) fundamental concepts. The first step in the development of the graphics CI was to create open-ended problems for students to solve to determine common misconceptions and to identify future distractors for the eventual multiple choice items. The open-ended problems for traditional topics produced a variety of responses that could be neatly categorized into common misconceptions and from which distractors could be readily identified. However, the open-ended problems for the CAD topics produced multiple responses that were difficult to categorize and interpret. Further, it was apparent that for each open-ended CAD item there were possibly dozens of correct solutions. Since optimal modeling strategies depend on design intent, different CAD packages, or manufacturing processes, judging a correct answer was sometimes impossible. During an Advisory Board meeting for the project, a series of multiple choice questions that had been developed for assessment in a high school competency exam were identified. The project team reviewed the competency exam and identified several promising candidate items for inclusion in the CI. These items were then alpha-tested with a pool of students who had prior CAD knowledge. This paper outlines the results from the alpha-testing of these CAD items and the analysis of their suitability for use in the graphics Concept Inventory.

Nabutola, K., & Steinhauer, H. M., & Branoff, T. J., & Study, N. E., & Miller, C. L., & Nozaki, S. Y. (2017, June), Assessment of CAD Related Items for a Concept Inventory for Engineering Graphics Paper presented at 2017 ASEE Annual Conference & Exposition, Columbus, Ohio. https://peer.asee.org/27633

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