Behavioural Insights Projects
Discover projects applying behavioural science to policy from around the world. Add your own projects, whether completed or still ongoing, to contribute knowledge on BI applications across different countries, policy areas, and topics of interest.

Number of BI projects:
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Legend: Projects status
- Pre-registered project
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BI Project
There is extensive evidence that shows that poor nutrition is associated with a set of non-communicable diseases, which today constitute the main cause of death. Currently in Argentina, excess weight affects all age groups, with a prevalence of 66.1% in the adult population, 13.6% in children under 5 years of age, and 41.1% in the 5 to 17 age group.
These figures are accompanied by inadequate eating habits, identifying wide food and nutritional gaps, due to deficit or excess, between current and…
In the study, the effectiveness of four reminder messages was evaluated through an online laboratory experiment involving 2,963 participants. The content of these messages was designed based on evidence from behavioural sciences, and their effect was contrasted with that of a simple, brief, and direct message (control message). The impact of the reminders was measured through four outcome variables: the action participants declared they would take after receiving the message, understanding and…
This study focused on switching in payment accounts and mortgages, exploring the reasons why consumers do not switch and possible behavioural remedies.
In Indonesia, a replication of a Growth Mindset intervention had significant impacts on student academic performance – particularly in schools located in regions that could benefit the most. Student learning outcomes in Indonesia have remained lower than their regional neighbors and other middle-income countries, as suggested by the results of the Program for International Student Assessment – PISA. Aside from socioeconomic conditions and access to educational resources, student motivation…
Tax amnesties, a limited-time opportunity for a specified group of taxpayers to pay a defined amount of tax liabilities, are broadly used across countries because they generate short-term revenue gains. However, evidence suggest that tax amnesties fail to have long-term effects, and in some cases, they generate negative effects on compliance. With the goal of evaluating the impact of tax amnesties, this experiment relies on the behavioral principle of limited attention and redesigns the…
The Ontario Treasury Board Secretariat (TBS) is responsible for paying Ontario Public Service (OPS) employees on a bi-weekly basis. The Pay and Benefits Service Centre inboxes receive a large volume of documents. Pay and Benefits transactions are processed according to Pay Processing Deadlines and Pay and Benefits Service Priorities. Each month, OPS employees are required to confirm their attendance in the OPS Human Resources system (WIN System) for the previous month, and managers are…
BI Project
Making sure that young people get vaccinated against HPV: How do you encourage both boys and girls…
A campaign was launched to encourage young people to get the catch-up vaccination against Human Papillomavirus (HPV). The campaign succeeded in promoting discussion and increased awareness of HPV as well as persuading young people to get vaccinated.
Why this experiment was conducted: provide boys and girls with a vaccine they might not have received
In 2022 and 2023, boys were invited for the first time and girls were invited again to get vaccinated against the Human Papillomavirus (HPV). HPV…
BI Project
Energy savings achieved with energy consumption managers: what impacts does feedback have on…
A series of controlled randomised experiments was conducted to examine the savings effects for households of three types of energy consumption managers tools: an email + web application, an app installed on a smartphone or tablet and an in-home display. Energy savings could only be established for the in-home display: almost 7% on natural gas and over 2% on electricity consumption.
Why this experiment was conducted: The Netherlands' climate targets
Energy consumption by Dutch households…
BI Project
Less waste placed next to underground containers: is there a reduction in the amount of waste left…
The Municipality of Dordrecht organised a competition titled The Cleanest Neighbourhood in Dordrecht. The aim was to get residents to place less rubbish next to underground waste containers. As a result of the experiment, the amount of waste left next to bins decreased and a new social norm was established.
Why this experiment was conducted: rubbish left next to waste containers
Bin liners and other bags containing residual and larger waste left next to underground containers rank amongst the…
Testing Labelling Dimensions for Chemicals in Products