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Hawthorne effect

Quantifying the Hawthorne Effect

Jed Friedman's picture
This post is co-authored with Brinda Gokul
 
Many who work on impact evaluation are familiar with the concept of the Hawthorne effect and its potential risk to the accurate inference of causal impact. But if this is a new concept, let’s quickly review the definition and history of the Hawthorne effect:
 

The Hawthorne Effect: What Do We Really Learn from Watching Teachers (and Others)?

David Evans's picture
We are delighted that Dave Evans has agreed to be a semi-regular contributor to this blog, agreeing to post about once a month. David is a Senior Economist in the Chief Economist's Office for the Africa region of the World Bank, and coordinates impact evaluation work across sectors in the Africa region.