Hawthorne Effect

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Hawthorne Effect

The phenomenon in which subjects of study alter their behavior simply because they are being studied. The Hawthorne effect is important in marketing. For example, test audience members may unintentionally skew their responses one way or another simply because they know they are part of a test audience. The concept originated in 1950 when analysis of a study from the 1920s and 1930s saw that productivity in a factory improved during a study of employees and declined after the study's conclusion.
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Compared with those who received sham stimulation, the healthy volunteers who received active stimulation showed greater modification of their attention bias in the direction encouraged by the training.
Gradually, the patient begins to focus on that stimulus instead, predicting that this is where the dot will appear - helping to normalize the attention bias pattern and reduce anxiety.
Some specific topics include: clinical applications to face comprehension impairment, behavioral elements during face processing, attention bias towrd threatening emotional face expressions, and facial emotion recognition impairment in autism.