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Rikli, Roberta – Research Quarterly, 1976
Results indicate that subjects scored better when tested by an experimenter of the opposite sex and also that there is some tendency for experimenters to receive scores from their subjects in accordance with their expectations of the subject's performance. (JD)
Descriptors: Control Groups, Expectation, Interaction Process Analysis, Performance Factors
Download full textSkindrud, Karlton D. – 1972
Twenty-eight mature women were recruited from the community and trained in a 21 category observation code of family interaction. Observers were assigned randomly to three experimental groups and given different expectancy rationales about the outcomes of the studies for which they would be collecting data. All groups were told they would be…
Descriptors: Analysis of Variance, Bias, Conceptual Schemes, Control Groups
Maxey, James H.
A two group-two treatment research design is presented; it allows for the assessment of the individual and the combined effects of the two treatments. Advantages include: (1) Initial evaluation represents an estimate of the stabilities of the measurements; and (2) Observation 4 compared with the average of Observation 1 and Observation 2 tests the…
Descriptors: Behavior Change, College Students, Control Groups, Evaluation Methods
