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placebo 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.

Is it the program or is it participation? Randomization and placebos

Markus Goldstein's picture

So recently one of the government agencies I am working with was telling me that they were getting a lot of pressure from communities who had been randomized out of the first phase of a program. The second phase is indeed coming (when they will get the funding for their phase of the project) but the second round of the survey has been delayed – as was implementation of the first round of the program.   But that doesn’t make the pressure any less understandable.