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experiment |
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experiment noun assay, attempt, dry run, endeavor, essay, examination, experimentum, first attempt, organized observation, periculum, research, search, test, testing program, trial, tryout, venture, verification See also: check, endeavor, research, test, venture How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| In a randomized experiment, the baseline characteristics of the treatment and control groups should, on average, be the same. The present study was a randomized experiment comparing traditional lectures to a self-directed learning approach that involved replacing all lectures with free student study time and the availability of weekly question-answer session with the course coordinator. For example, when well-specified causal hypotheses can be formulated and randomization to treatment and control conditions is ethical and feasible, a randomized experiment is the best method for estimating effects" (Feuer, Towne, Shavelson, 2002, p. |
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