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5 Written Questions

5 Matching Questions

  1. random assignment
  2. content-related evidence
  3. maturation:
  4. correlational designs
  5. Treatment interaction effects
  1. a 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
  2. b look at the degree and direction of the relationship between variables
  3. c asks the question of whether the instruments and the sample accurately represent the variable under study. A researcher would ask whether the questions used in the instrument adequately assess the variable under study. To ensure content-related validity, researchers should look over the content and format of the instrument to be used
  4. d 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. e participant matching, randomization

5 Multiple Choice Questions

  1. control group
  2. observe and describe some current condition; but, rather than introduce treatments, researchers look to the past to try to identify possible cause
  3. participants receive no treatment at all
  4. used to describe participant characteristics or behaviors and do not involve the application of any treatment to participants
  5. includes a variety of different types of evidence supporting the characteristic being measured. Three common ways to measure construct-related validity include using a clearly defined variable, hypotheses based on theory to explain the variable, and logical and empirically tested hypotheses.

5 True/False Questions

  1. trend studyincludes the same sample of individuals surveyed at different times


  2. meta-analysisparticipant matching and omission


  3. mortality:participant matching and omission


  4. instrumentation:consistency and reliability


  5. internal validitya researcher's ability to determine whether a causal relationship exists between the independent variable and the dependent variable.


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