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6 Written questions

5 Multiple choice questions

  1. Individuals selected based on their availability.
  2. A random selection of a representative sample and that collects data.
  3. A treatment designed to have no effect but to resemble the actual treatment being used.
  4. Some individuals are favored more than others in observation studies.
  5. The entire collection of individuals.

5 True/False questions

  1. Control GroupA group of experimental units given no treatment or a default treatment to be compared with the actual treatment groups for observation.

          

  2. Double Blind ExperimentsThe designer doesn't know who has which treatment.

          

  3. RandomizationSubjects that are assigned to treatments randomly.

          

  4. Nonresponse BiasThose that feel more strongly on a topic and are willing to respond.

          

  5. SampleA random selection of a representative sample and that collects data.