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10 Cards in this Set

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