 ##  [Hawthorne Effect](/hawthorne-effect) 

  ##  [Hawthorne Effect](https://engineering.quantumdictionary.io/hawthorne-effect-0) 

  
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**Engineering &amp; Applied Technologies Dictionary**

 
Definition

A behavioral reactivity phenomenon in which people change their observable behaviour because they are aware of being observed, causing measured performance or experimental results to differ from the unobserved baseline.