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6 Written questions

5 Multiple choice questions

  1. The designer knows who the control group is and who gets what.
  2. Those that feel more strongly on a topic and are willing to respond.
  3. Participants.
  4. A random selection of a representative sample and that collects data.
  5. Subjects that are assigned to treatments randomly.

5 True/False questions

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

          

  2. PlaceboA treatment designed to have no effect but to resemble the actual treatment being used.

          

  3. Convenience SampleEach individual in the population has an equal and independent chance of being selected.

          

  4. BiasA subset or portion of the population that was selected as a representative.

          

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