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Using Peer-Generated Screencast in Teaching Computer-Aided Design

Faculty #67
Discipline: Technology and Engineering
Subcategory: STEM Research

Xiaobo Peng - Prairie View A&M University
Co-Author(s): Dongdong Zhang, Prairie View A&M University, Prairie View, TX Bugrahan Yalvac, Texas A&M University, College Station, TX



Screencast is an effective learning tool for computer-aided design (CAD) education. In the screencast, the procedural operations of making three-dimensional (3D) models are presented visually along with the audio narration, which is effective and intuitive. Traditionally, instructor-made screencasts have been given to students after class for reinforcing their learning. However, the students have been kept in a passive role in this learning process. Students did not participate in designing the material that they learn. This poster presents the implementation of a student-centered instructional strategy in teaching CAD in the undergraduate level. Student participants were asked to generate the screencast tutorials in groups and then share them with their peers in a collaborative learning environment. Students watched the peer-generated screencasts online and provided feedback. The students’ learning outcomes, including their CAD modeling skills, engineering attitude, and their life-long learning skills, are assessed. In addition, experimental group students completed an exit survey that explored their experiences. Selected students in the experimental groups were interviewed. We used quantitative tests to analyze all the data collected.

Funder Acknowledgement(s): This work is supported by the National Science Foundation under HRD Grant Number 1435073. Any opinions, findings, conclusions, or recommendations presented are those of the authors and do not necessarily reflect the views of the National Science Foundation.

Faculty Advisor: None Listed,

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This material is based upon work supported by the National Science Foundation (NSF) under Grant No. DUE-1930047. Any opinions, findings, interpretations, conclusions or recommendations expressed in this material are those of its authors and do not represent the views of the AAAS Board of Directors, the Council of AAAS, AAAS’ membership or the National Science Foundation.

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