Point and Click or Grab and Heft: Comparing the Influence of Physical and Virtual Instructional Materials on Elementary School Students' Ability to Design Experiments
- 1 June 2003
- journal article
- Published by Informa UK Limited in Cognition and Instruction
- Vol. 21 (2), 149-173
- https://doi.org/10.1207/s1532690xci2102_02
Abstract
The widespread availability of computers in elementary schools makes them an ap- pealing option for presenting instructional materials in laboratory science. However, there are neither theoretical nor empirical grounds for predicting whether virtual or physical presentation of instructional materials will be more effective. The definition of "active manipulation" is poorly specified and there are few studies that directly compare the two approaches unaccompanied by other potential confounds. In this study, 4th- and 5th-grade children were taught how to design simple unconfounded experiments using 1 of 2 instructional methods differing only in whether children manipulated physical or virtual materials. The 2 types of materials were equally ef- fective in achieving several instructional objectives, including the design of uncon- founded experiments, the derivation of correct predictions from them, and explicit reference to the need for experiments to be unconfounded.Keywords
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