Null results from a large-scale randomized controlled trial in Flanders by Alexander Spriet, Bert Weijters, Erwin Wauters https://doi-org.libugent.idm.oclc.org/10.1016/j.socec.2026.102580 Highlights Large-scale preregistered randomized controlled trial among active farmers in Flanders. Evaluated three digitally delivered behavior change techniques: demonstration, dynamic social norms, and loss framing. Null results: none of the interventions significantly increased eco-scheme

A natural experiment by Marjolijn Vos, Viktor L. J. Proesmans, Anneleen Van Kerckhove, Benedicte Deforche, Nathalie Michels,Maartje P. Poelman and Wendy Van Lippevelde https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-025-04210-y Background Lower socioeconomic status (SES) is linked to diets that do not meet dietary guidelines. The “Dinner is served at 1-2-3 euros” (DS123) supermarket intervention aims to support vulnerable families in cooking more home-made meals