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The Hawthorne effect is a type of human behavior reactivity in which individuals modify an aspect of their behavior in response to their awareness of being observed. [1] [2] The effect was discovered in the context of research conducted at the Hawthorne Western Electric plant; however, some scholars think the descriptions are fictitious.
The Hawthorne effect occurs when research study participants know they are being studied and alter their performance because of the attention they receive from the experimenters. The John Henry effect , a specific form of Hawthorne effect, occurs when the participants in the control group alter their behavior out of awareness that they are in ...
An example is the Hawthorne effect: in a 1925 industrial ergonomics study conducted at the Hawthorne Works factory outside Chicago, experimenters observed that both lowering and brightening the ambient light levels improved worker productivity. They eventually determined the basis for this paradoxical result: workers who were aware of being ...
This study was noteworthy since it used adult Israeli soldiers as a sample rather than the previous sample of the American child, inferring that the Pygmalion effect could be applied to different contexts rather than only the original classroom setting where it was originally noticed and replicated, confirming its generalisability. [8]
The Hawthorne Studies were conducted at the Hawthorne plant of Western Electric from 1924 into the early 1930s. They began as a study of the effect of lighting on worker performance. Elton Mayo was instrumental in identifying the psychological basis of the phenomena observed in the experiments. The studies determined that motivation is not ...
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Clinical psychology is an integration of human science, behavioral science, theory, and clinical knowledge for the purpose of understanding, preventing, and relieving psychologically-based distress or dysfunction and to promote subjective well-being and personal development.
Another key example of observer bias is a 1963 study, "Psychology of the Scientist: V. Three Experiments in Experimenter Bias", [9] published by researchers Robert Rosenthal and Kermit L. Fode at the University of North Dakota. In this study, Rosenthal and Fode gave a group of twelve psychology students a total of sixty rats to run in some ...