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On Not So Replicated Experiments and Not So Null Results
Rosenthal, Robert – J Consult Clin Psychol, 1969
Preparation of this paper facilitated by Grant GS-1741 from the Division of Social Sciences of the National Science Foundation.
Descriptors: Data Analysis, Decision Making, Demonstration Programs, Experimenter Characteristics
Biasing Effects of Experimenters.
Peer reviewed Peer reviewed
Rosenthal, Robert – ETC: A Review of General Semantics, 1977
Explains the types of effects, usually unintentional, that psychologists can have upon the results of their research; describes the "Pygmalion Experiment," in which teachers' expectations for children's behavior proved to be self-fulfilling prophecies; and points to research needs in the area of interpersonal expectations. (GT)
Descriptors: Behavioral Science Research, Elementary Education, Expectation, Experimenter Characteristics
Teacher Expectancy Effects: A Brief Update 25 Years after the Pygmalion Experiment.
Peer reviewed Peer reviewed
Rosenthal, Robert – Journal of Research in Education, 1991
Describes research on interpersonal expectancy effects, concentrating on classroom settings. Results of a meta-analysis of 448 studies of interpersonal expectancy effects are summarized. A 10-point model for the study of such effects and evidence supporting a 4-factor theory of the mediation of teacher expectancy effects are presented. (SLD)
Descriptors: Classroom Environment, Classroom Research, Elementary Secondary Education, Experimenter Characteristics