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4.2 vocab ap stats

  • observational study

  • response variable

  • explanatory variable

  • confounding

  • experiment

  • placebo

  • treatment

  • experimental unit

  • subject

  • factor

  • levels

  • control group

  • placebo effect

  • double-blind

  • single-blind

  • random assignment

  • control

  • replication

  • completely randomized design

  • block

  • randomized block design

  • matched pairs design

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