Using unobtrusive sensors to measure and minimize Hawthorne effects: Evidence from cookstoves

Andrew Simons, Theresa Beltramo, Garrick Blalock and David Levine

Journal of Environmental Economics and Management, 2017, vol. 86, issue C, 68-80

Abstract: People act differently when they know they are being observed. This phenomenon, the Hawthorne effect, can bias estimates of program impacts. Unobtrusive sensors substituting for human observation can alleviate this bias. To demonstrate this potential, we used temperature loggers to measure fuel-efficient cookstoves as a replacement for three-stone fires. We find a large Hawthorne effect: when in-person measurement begins, participants increase fuel-efficient stove use approximately three hours/day (53%) and reduce three-stone fire use by approximately two hours/day (29%). When in-person measurement ends, participants reverse those changes. We then examine how this Hawthorne effect biases estimates of fuel use and pollution concentrations. Our results reinforce concerns about Hawthorne effects, especially in policy-relevant impact evaluations. By measuring the Hawthorne effect we permit researchers to correct for the bias it introduces.

Keywords: Q56; O13; I32; O22; D01; Observation bias; Hawthorne effect; Sensors; Improved cookstoves; Monitoring and evaluation; Impact evaluation (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Related works:
Working Paper: Using Unobtrusive Sensors to Measure and Minimize Hawthorne Effects: Evidence from Cookstoves (2017)
Working Paper: Using Unobtrusive Sensors to Measure and Minimize Hawthorne Effects: Evidence from Cookstoves (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jeeman:v:86:y:2017:i:c:p:68-80

DOI: 10.1016/j.jeem.2017.05.007

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