Children's Opinion of Retrospective Pre-Post 'Then-Test' Survey Validity
Background: Over the past forty years there have been a number of studies conducted to compare traditional pre-post surveys (pretest-posttests; administered in two stages before and after an intervention) with retrospective pre-posts (thentests or pre-then-post-tests; administered after intervention...
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The Evaluation Center at Western Michigan University,
2019-07-01T00:00:00Z.
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