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Christensen et al. 2014 - Longitudinal analysis of cognitive constructs fostered by STEM activities for middle school students

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This material is based upon work supported by the National Science Foundation under Grant Nos. DRL-1312022, 1614697 and 1949200. 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.

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