Behavioural Insights Projects

How can response rates to questionnaires be increased? In the first quarter of 2023, some of the participants in a CBS survey received a letter in which the call-to-action appeared as far as possible at the top of the letter. The other participants received standard letters. The analyses showed that the standard letters produced a significantly higher response rate than the letters in which the call-to-action was placed at the top. Why this experiment was conducted: high response rate is…

Institution: Statistics Netherlands (CBS)

In partnership with Godot Inc. the Yomitan Village Office in Okinawa (Japan) conducted an AI-driven sludge audit of the medical check-up process. Since the 2022 financial year, the village office and Godot Inc. have been working together to apply behavioural science to medical check-up notifications delivered via SMS and postcards. In 2021, Yomitan Village had the lowest general medical check-up rate among all 41 municipalities in Okinawa Prefecture. However, the application of behavioural…

Institution: Yomitan Village Office - Okinawa, Japan

Team: Godot Inc.

To promote college access and affordability, education tax credits help with the cost of college by reducing the amount of tax owed. The most generous Federal higher education tax credit, the American opportunity tax credit (AOTC), is a maximum annual credit of $2,500 per eligible student. Yet, many eligible students (or their families) do not claim the credit. Among eligible students, national estimates indicate that 46 percent of independent students and 56 percent of dependent students take…

Institution: General Services Administration (GSA)

Team: Office of Evaluation Sciences (OES)

The Netherlands Authority for Consumers & Markets (ACM) conducted an experiment to investigate the effect of incomplete prices when booking a holiday home. Websites that display incomplete prices cause greater uncertainty, make choosing more difficult, undermine trust and give the feeling of deception compared to websites displaying transparent prices. Why this experiment was conducted: unclear picture of actual costs In 2021, the ACM conducted a study into effective transparency. The aim was…

Institution: Netherlands Authority for Consumers & Markets (ACM)

Challenge Conditional cash transfers are funds given to households if they fulfill certain requirements, such as sending their children to school. These cash transfers can boost households’ investment in health and education; however, they are expensive, and it is often complicated to track and enforce compliance with the requirements. Removing the conditions may make cash transfer programs more cost effective by decreasing administrative costs, while still providing a nudge to increase school…

Institution: World Bank

Team: eMBeD, Mind Behaviour and Development team

Washing your hands regularly with soap and water is an effective and easy way of reducing the risk of people falling ill with COVID-19, influenzas or a cold, or contracting other viral illnesses. Stickers and posters were developed focusing on reframing, nudging and habit stacking. Displaying the posters in the office environment led to an increase in handwashing amongst employees. Soap consumption went up. Why this experiment was conducted: improved hygiene standards in the workplace is the…

Institution: Netherlands Ministry of Justice and Security; Netherlands Ministry of Health, Welfare and Sport; and RIVM

Due to the COVID-19 pandemic, guests were required to wear face masks on entering and while moving inside hospitality venues. To promote this behaviour, self-persuasion and salience techniques were used in this experiment - with notable success. Following the announced relaxation of face mask requirements, there was a decrease in face mask usage, although this was significantly less in hospitality venues that saw interventions than in venues that did not experience interventions. Why this…

Differences in the composition of seemingly identical branded food products (DC-SIP) has been a source of growing concern in the EU in recent years. This was particularly the case after tests conducted in several Member States (MS) confirmed the presence of differences in composition of some branded food products sold across different Member States. This report aims to contribute to the existing studies by verifying whether the presence of DC-SIP influences consumer preferences and willingness…

Institution: European Commission

Team: JRC Competence Centre on Behavioural Insights

It’s the end of April in Poland. While everyone is happy the harsh winter weather is finally getting milder, the Polish Tax Authority is worried because 62% of the country failed to pay their taxes on time. Over the past decade, the use of behavioral principles by tax administrations in different countries has been gaining ground. Given the country’s tax compliance rate, Polish authorities and the World Bank tested the use of behaviorally informed letters to late taxpayers in order to…

Institution: World Bank

Team: eMBeD, Mind Behaviour and Development team

The Ontario Public Service (OPS) is committed to promoting employment equity. Collecting sociodemographic data from employees will help the OPS better understand how different demographic groups are represented in the workforce and progress through their careers. However, recent initiatives to promote the voluntary submission of sociodemographic data through the OPS Human Resources portal (known as WIN) has had lower uptake than desired, reducing the quality of this data for decision-making…

Institution: Ontario Public Service (OPS)

Team: Ontario Behavioural Insights Unit