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5 Written questions

5 Matching questions

  1. Construct-related evidence
  2. statistical regression
  3. interview
  4. content-related evidence
  5. experimental design
  1. a omitting extreme scores, randomization
  2. b 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
  3. c 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.
  4. d can be used to make cause-effect determinations
  5. e questions are asked in person

5 Multiple choice questions

  1. participants are given a treatment unrelated to the real treatment
  2. double blind study
  3. includes members of a particular population who do not change over the course of the study
  4. look at the degree and direction of the relationship between variables
  5. 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.

5 True/False questions

  1. Treatment interaction effectsoccur on those occasions on which participants in the study act according to expectations from inadvertent cues to the anticipated results of the study

          

  2. Placebo effectsoccur on those occasions on which participants in the study act according to expectations from inadvertent cues to the anticipated results of the study

          

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

          

  4. analysis of covariancethis tests the main and interaction effects of categorical variables on a continuous dependent variable, controlling for the effects of selected other continuous variables that covary with the dependent variable

          

  5. no-treatment control groupparticipants receive no treatment at all

          

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