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5 Written questions

5 Matching questions

  1. using participants as their own controls
  2. correlational designs
  3. internal validity
  4. Selection:
  5. mortality:
  1. a This often occurs in single-subject experimental design or some pretest-posttest designs. This option provides high internal validity because participants serve as their own controls.
  2. b participant matching and omission
  3. c look at the degree and direction of the relationship between variables
  4. d random selection, random assignment
  5. e a researcher's ability to determine whether a causal relationship exists between the independent variable and the dependent variable.

5 Multiple choice questions

  1. can be used to make cause-effect determinations
  2. refer to the potential for a treatment protocol to have an effect based on the characteristics of the participant rather than those of the group as a whole
  3. refers to the change in performance caused by the mere presence of others watching.
  4. researchers manipulate variables or introduce a treatment to one participant or group over time and intently study effects
  5. a randomization process that is usually done after the research participants are selected to determine which participants will receive which value of the independent variable

5 True/False questions

  1. experimenter biasdouble blind study


  2. panel studyincludes the same sample of individuals surveyed at different times


  3. testing:random selection, random assignment


  4. random erroror random sampling, is the process of drawing a research sample in which each member of a population has an equal chance ob being selected


  5. no-treatment control groupparticipants are given a treatment unrelated to the real treatment


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