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Behavioral Designs for Cash Transfers- Tanzania
Last registered on April 29, 2021


Trial Information
General Information
Behavioral Designs for Cash Transfers- Tanzania
Initial registration date
December 10, 2019
Last updated
April 29, 2021 1:20 PM EDT

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Primary Investigator
Other Primary Investigator(s)
Additional Trial Information
On going
Start date
End date
Secondary IDs
As social protection cash transfer programs expand, they face demands to deliver greater public value as well as increase cost-effectiveness. There is evidence that insights from behavioral science- the science of how humans make decisions and take actions- can be used to achieve these objectives. Ongoing partnerships between ideas42, the World Bank, and the government of Tanzania have been working to enhance the effectiveness of cash transfer programs through a process of design, testing, and analysis. Research from the field of behavioral science along with a process of user-testing and iteration were used to design context-specific packages of interventions to increase the cost effectiveness of such cash transfer programs. The upcoming RCT will survey about 2880 individuals in 64 in Tanzania at baseline and again 6 months later during a follow-up to estimate if light-touch, low-cost interventions can improve short-term outcomes that may lead to more productive investments and better economic well-being in the long term.
External Link(s)
Registration Citation
MacLeod, Catherine. 2021. "Behavioral Designs for Cash Transfers- Tanzania." AEA RCT Registry. April 29. https://doi.org/10.1257/rct.5168-2.0.
Sponsors & Partners

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Experimental Details
Goal setting activity- benefiaries select a goal from pre-specified images or draw their own goal
Plan making activity- beneficiaries determine how much their goal will cost and how much they wish to save from each transfer.
Tracking activity- beneficiaries may track (by checking) if they have saved the desired amount after each transfer
Partitioning pouch- Beneficiaries are given a pouch they can use to seperate the cash they intend to save from the cash they intend to use for consumption
Self-affirmation activity where beneficiaries affirm their values before setting a goal
Intervention Start Date
Intervention End Date
Primary Outcomes
Primary Outcomes (end points)
Savings amount, savings incidence, productive investment amount, productive investment incidence, borrowing amount, repayment of debt
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
This experiment is a cluster randomized controlled trial in which half of the clusters (locations) will be assigned to the control group (recieving cash as normal) and half of the clusters will be assigned to the treatment group (cash plus behavioral activities).
Experimental Design Details
Not available
Randomization Method
computer (stata)
Randomization Unit
Cash transfer site
Was the treatment clustered?
Experiment Characteristics
Sample size: planned number of clusters
64 sites
Sample size: planned number of observations
2880 individuals
Sample size (or number of clusters) by treatment arms
32 sites treatment, 32 sites control
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
.17 SD
IRB Name
Behavioral Designs for Cash Transfer Programs
IRB Approval Date
IRB Approval Number