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01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

BMC Public Health 1/2019

A behavioral design approach to improving a Chagas disease vector control campaign in Peru

BMC Public Health > Ausgabe 1/2019
Alison M. Buttenheim, Michael Z. Levy, Ricardo Castillo-Neyra, Molly McGuire, Amparo M. Toledo Vizcarra, Lina M. Mollesaca Riveros, Julio Meza, Katty Borrini-Mayori, Cesar Naquira, Jere Behrman, Valerie A. Paz-Soldan
Wichtige Hinweise
A pre-print version of this manuscript was archived at SocArXiv on May 4, 2018 under a CC-By Attribution license 4.0 International, doi: https://​doi.​org/​10.​17605/​OSF.​IO/​AS3C2.

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Individual behavior change is a critical ingredient in efforts to improve global health. Central to the focus on behavior has been a growing understanding of how the human brain makes decisions, from motivations and mindsets to unconscious biases and cognitive shortcuts. Recent work in the field of behavioral economics and related fields has contributed to a rich menu of insights and principles that can be engineered into global health programs to increase impact and reach. However, there is little research on the process of designing and testing interventions informed by behavioral insights.


In a study focused on increasing household participation in a Chagas disease vector control campaign in Arequipa, Peru, we applied Datta and Mullainathan’s “behavioral design” approach to formulate and test specific interventions. In this Technical Advance article we describe the behavioral design approach in detail, including the Define, Diagnosis, Design, and Test phases. We also show how the interventions designed through the behavioral design process were adapted for a pragmatic randomized controlled field trial.


The behavioral design framework provided a systematic methodology for defining the behavior of interest, diagnosing reasons for household reluctance or refusal to participate, designing interventions to address actionable bottlenecks, and then testing those interventions in a rigorous counterfactual context. Behavioral design offered us a broader range of strategies and approaches than are typically used in vector control campaigns.


Careful attention to how behavioral design may affect internal and external validity of evaluations and the scalability of interventions is needed going forward. We recommend behavioral design as a useful complement to other intervention design and evaluation approaches in global health programs.
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