Designing an Experiment
This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.
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Designing an experiment means naming the hypothesis, operationalizing both variables, assigning randomly, specifying the control condition, and closing each confound in turn.
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One question — does a ten-minute nap improve afternoon recall? — carried through every design decision aloud, including two confounds found and closed, and one that cannot be closed and is reported instead.
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- Nothing yet depends on this.