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10 Cards in this Set
- Front
- Back
experimental design that is of intermediate value for exploring cause and effect
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quasi-experimental design
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widely used quasi-experimental design that has 2 intact groups (not assigned at random)
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nonequivalent control group design
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experimental design that has only one group (or one participant)
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equivalent time samples design
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source of confusion regarding the explanation for a given difference
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confound
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attention effect
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Hawthorne effect
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effect that refers to the possibility that the control group might become aware of its inferior status and respond by trying to outperform the experimental group
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John Henry effect
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tendency of individuals to improve simply b/c they know they are being treated
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placebo effect
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could be a 'pill' that contains only inert ingredients which provide 'treatment' for the control group
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placebo
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procedure researches use when they don't disclose to the participants whether they are receiving an active or inactive substance
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blind
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experiment where neither the participants nor the individuals dispensing the drug know which is active drug and which is placebo
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double-blind
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