Abstract
Developing effective pedagogies to help students examine anomalous data is critical for the education of the next generation of scientists and engineers. By definition anomalous data do not concur with prior knowledge, theories and expectations. Such data are the common outcome of empirical investigation in hands-on laboratories (HOLs). These aberrations can be counter intuitive for students when they investigate real-world processes with technology tools, such as virtual laboratories (VRLs), that may project a simplified view of data. This study blended learning with a VRL and the examination of real-world data in two engineering classrooms. The results indicated that students developed new knowledge with the VRL and were able to apply this knowledge to evaluate anomalous data from an HOL. However, students continued to experience difficulties in transferring their newly constructed knowledge to reason about how anomalous data results may have come about. The results provide directions for continued research on students’ perceptions of anomalous data and also suggest the need for evidence-based instructional design decisions for the use of existing VRLs to prepare science and engineering students for real-world investigations.
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Acknowledgments
The research was supported by the NSF—EPSCOR funded, WVnano, a statewide nanotechnology initiative housed at West Virginia University; NSF-0554328, Paul Hill, PI. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. A West Virginia University, Internal Research Fund also supported the work of a research assistant. Stephanie Horner contributed to data coding and to establishing inter-rater reliability. Irene Gladys assisted with research administration tasks and Danielle Erdos-Kramer assisted with the final editing of the manuscript. Dr. Cerasela-Zoica Dinu of West Virginia University was the instructor of classes in both studies. Two anonymous reviewers provided extensive suggestions on earlier versions of the manuscript. The instruction used the MyDNA virtual laboratory that was created by the ‘‘Molecules in Motion’’ program—supported by a grant from the Camille Henry Dreyfus Foundation, Inc. No materials or images from the MyDNA program are used in this manuscript. Some of the images that were used in the study are available at the “Hall of Shame” (http://www.ruf.rice.edu/~bioslabs/studies/sds-page/sdsgoofs.html) that is maintained by Dr. David Caprette of Rice University. No images from this webpage are used in the manuscript.
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Toth, E.E. Analyzing “real-world” anomalous data after experimentation with a virtual laboratory. Education Tech Research Dev 64, 157–173 (2016). https://doi.org/10.1007/s11423-015-9408-3
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DOI: https://doi.org/10.1007/s11423-015-9408-3