Chapter 7 - Master Terms

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Chapter 7 - Master Terms
2014-09-15 08:42:21

Chapter 7
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  1. between subjects design
    Statistical design in which the sampling units are exposed to one condition each (also described as a nested design because the sampling units are said to be "nested" within their own condition).
  2. control group
    A condition with which the effects of the experimental or test condition are compared.
  3. blind experimenters
    Experimenters who are unaware of which participants have been assigned to particular conditions (e.g., treatment vs. control condition).
  4. demand characteristics
    The mixture of task-orienting cues that govern the participant's perceptions of (a) his or her role as a research subject and (b) the experimenter's hypothesis or scientific objective.
  5. factorial design
    A research design with more than one factor and two or more levels of each factor.
  6. placebo effects
    The "healing"effects of inert substances or nonspecific treatments.
  7. experimental design
  8. quasi-experimental design
    A traditional term used to describe study designs that resemble randomized experimental designs (i.e., having treatments, outcome measures, and experimental units) but that lack random assignment, which would create the comparisons from which treatment-caused changes could be inferred, as a in randomized experimental designs.
  9. within subjects design
    Statistical design in which each sampling unit (e.g., each research participant) receives two or more conditions.