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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.
Hawthorne effect, a form of reactivity in which subjects modify an aspect of their behavior, in response to their knowing that they are being studied; Observer-expectancy effect, a form of reactivity in which a researcher's cognitive bias causes them to unconsciously influence the participants of an experiment
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 ...
Hall effect (condensed matter physics) (electric and magnetic fields in matter) Hall of mirrors effect (computer graphic artifacts) (Doom) (id software) (video game glitches) Halo effect (cognitive biases) (educational psychology) (logical fallacies) (social psychology) Hanbury Brown and Twiss effect (quantum optics)
The observer-expectancy effect [a] is a form of reactivity in which a researcher's cognitive bias causes them to subconsciously influence the participants of an experiment. Confirmation bias can lead to the experimenter interpreting results incorrectly because of the tendency to look for information that conforms to their hypothesis, and ...
It originated in the 1930s' Hawthorne studies, which examined the effects of social relations, motivation and employee satisfaction on factory productivity. The movement viewed workers in terms of their psychology and fit with companies , rather than as interchangeable parts , and it resulted in the creation of the discipline of human relations ...
Like the observer-expectancy effect, it is often a cause of "odd" results in many experiments. The subject-expectancy effect is most commonly found in medicine, where it can result in the subject experiencing the placebo effect or nocebo effect, depending on how the influence pans out.
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