Building face, construct, and content validity through use...

Building face, construct, and content validity through use of a modified Delphi: adapting grounded theory to build an environmental field days observation tool

Heimlich, Joe E., Carlson, Stephan P., Storksdieck, Martin
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Volume:
17
Language:
english
Journal:
Environmental Education Research
DOI:
10.1080/13504622.2010.538669
Date:
June, 2011
File:
PDF, 123 KB
english, 2011
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