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5 Written questions

5 Matching questions

  1. experimenter bias
  2. random error
  3. placebo control groups
  4. Construct-related evidence
  5. instrumentation:
  1. a unpredictable fluctuations in instruments, participants, or conditions
  2. b 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.
  3. c double blind study
  4. d consistency and reliability
  5. e participants are given a treatment unrelated to the real treatment

5 Multiple choice questions

  1. 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. participant matching, randomization
  3. random selection, random assignment
  4. random selection, random assignment
  5. used to describe participant characteristics or behaviors and do not involve the application of any treatment to participants

5 True/False questions

  1. ecological generalizabilitythe degree to which results of a study can be applied to to other settings or conditions


  2. criterion-related evidenceasks 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


  3. correlational designsused to investigate the relationship among two or more variables without attempting to manipulate them


  4. Methods of Control:participant matching, randomization


  5. analysis of covariancerandomization
    random assignment
    using participants as their own controls
    analysis of covariance