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Authors
Vitali, Veronica https://orcid.org/0000-0002-4579-265X
Tiboldo, Giulia https://orcid.org/0000-0002-5599-9750
Varacca, Alessandro https://orcid.org/0000-0003-4362-0325
Castellari, Elena https://orcid.org/0000-0002-5012-7574
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Funding
Funding for this research was provided by:
Doctoral School on the Agro-Food System (Agrisystem) of Università Cattolica del Sacro Cuore, Italy
Portus Project funded by Romeo and Enrica Invernizzi Foundation.
Fondazione Cariplo (FUN-VEGETABLES grant [grant number 2022-4653])
Ministero dell’Università e della Ricerca (PRIN 2022 project “LO-VEg: Nudging-based field-experiments to promote vegetable and legume consumption among children and parents” [grant number J53D23004500001].)
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Article History
Received: 13 July 2026
Accepted: 18 September 2026
First Online: 3 October 2026
Declarations
Ethics approval and consent to participate: This study was approved by the Institutional Review Board of the German Association for Experimental Economic Research (Gesellschaft für experimentelle Wirtschaftsforschung e.V., GfeW) through an expedited review process (Approval No. 2jdGpTwW). Before accessing the online questionnaire, all participants were provided with information about the study and gave their informed consent electronically prior to participation. All methods were carried out in accordance with the relevant guidelines and regulations.
Consent for publication: Not applicable.
Competing interests: The authors declare no competing interests.
