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Experimenter Expectancy Effect

In: The SAGE Encyclopedia of Social Science Research Methods
Edited by: Michael S. Lewis-Beck, Alan Bryman & Tim Futing Liao
Subject:Research Methods

The experimenter expectancy effect is one of the sources of artifact or error in scientific inquiry (see INVESTIGATOR EFFECT). Specifically, it refers to the unintended effect of experimenters’ hypotheses or expectations on the results of their ...

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  Lewis-Beck, M. S., Bryman, A., & Liao, T. F. (2004). Experimenter expectancy effect. In The SAGE encyclopedia of social science research methods (Vol. 1, pp. 357-357). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412950589.n311
  
  Lewis-Beck, Michael S., Alan Bryman, and Tim F. Liao. "Experimenter Expectancy Effect." In The SAGE Encyclopedia of Social Science Research Methods, edited by Lewis-Beck, Michael S., Alan Bryman, and Tim F. Liao, 357-357. Thousand Oaks, CA: SAGE Publications, Inc., 2004. https://dx.doi.org/10.4135/9781412950589.n311.
  
  Lewis-Beck, M. S., Bryman, A. and Liao, T. F. 2004. Experimenter Expectancy Effect. In: Michael S. Lewis-Beck, Alan Bryman and Tim F. Liao Editors, 2004. The SAGE Encyclopedia of Social Science Research Methods, Thousand Oaks, CA: SAGE Publications, Inc. pp. 357 Available at: <https://dx.doi.org/10.4135/9781412950589.n311> [Accessed 17 Aug 2022].
  
  Lewis-Beck, Michael S., et al. "Experimenter Expectancy Effect." The SAGE Encyclopedia of Social Science Research Methods. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2004, pp. 357-357. SAGE Knowledge. 17 Aug 2022, doi: https://dx.doi.org/10.4135/9781412950589.n311.
  
  Lewis-Beck, Michael S., Alan BrymanTim F. Liao (2004). Experimenter expectancy effect In:Experimenter expectancy effect The SAGE encyclopedia of social science research methods Vol. 1. Thousand Oaks, CA: SAGE Publications, Inc.; 2004:357-357. doi:10.4135/9781412950589.n311
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