{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T08:55:04Z","timestamp":1776070504993,"version":"3.50.1"},"reference-count":67,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2024,3,25]],"date-time":"2024-03-25T00:00:00Z","timestamp":1711324800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"FCT\u2014Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UID\/PSI\/04345\/2020"],"award-info":[{"award-number":["UID\/PSI\/04345\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"FCT\u2014Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/00006\/2020"],"award-info":[{"award-number":["UIDB\/00006\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["EJIHPE"],"abstract":"<jats:p>The Volunteer Functions Inventory (VFI) is an instrument widely used to assess volunteers\u2019 motivation based on the Functionalist Model of Omoto and Snyder. It assesses six factors that reflect several motivational functions. The VFI has been translated into various languages and validated in different cultural contexts, but some studies have reported different factor structures (e.g., five or four factors). In the Portuguese context, previous studies have also shown inconsistent results. The aim of this study was to adapt and validate the VFI for Portuguese volunteers, testing several alternative models (nine models) using confirmatory factor analysis. The sample comprised 468 volunteers (76.3% women), aged from 13 to 81 years (M = 36.66, SD = 14.93). The results support the original interrelated six-factor model as the best-fitting one. The VFI showed good internal consistency and convergent validity. Significant correlations were found between the VFI factors, organizational commitment, and volunteers\u2019 satisfaction. Overall, the six-factor VFI is a valid and reliable tool for measuring the motivational functions of Portuguese volunteers, with implications for practice and research in the volunteering field.<\/jats:p>","DOI":"10.3390\/ejihpe14040053","type":"journal-article","created":{"date-parts":[[2024,3,25]],"date-time":"2024-03-25T14:14:12Z","timestamp":1711376052000},"page":"823-837","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["The Volunteer Functions Inventory (VFI): Adaptation and Psychometric Properties among a Portuguese Sample of Volunteers"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1819-8516","authenticated-orcid":false,"given":"C\u00e1tia","family":"Martins","sequence":"first","affiliation":[{"name":"Psychology Research Centre (CIP), Rua de Santa Marta, 47-3\u00ba, 1169-023 Lisboa, Portugal"},{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9995-8221","authenticated-orcid":false,"given":"Jos\u00e9 Tom\u00e1s","family":"da Silva","sequence":"additional","affiliation":[{"name":"Centre for Social Studies, Faculty of Psychology and Educational Sciences, University of Coimbra, Col\u00e9gio de S. Jer\u00f3nimo, Largo D. Dinis, 3000-995 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2019-1011","authenticated-orcid":false,"given":"Sa\u00fal Neves","family":"de Jesus","sequence":"additional","affiliation":[{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"},{"name":"Research Centre for Tourism, Sustainability and Well-Being (CinTurs), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0185-3200","authenticated-orcid":false,"given":"Concei\u00e7\u00e3o","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"Centre of Statistics and Its Applications (CEAUL), Faculty of Sciences, University of Lisboa, 1749-016 Lisboa, Portugal"},{"name":"Institute of Engineering, Universidade do Algarve, Campus da Penha, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7151-8363","authenticated-orcid":false,"given":"Maria Dulce","family":"Est\u00eav\u00e3o","sequence":"additional","affiliation":[{"name":"School of Health, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"given":"Ricardo","family":"Baptista","sequence":"additional","affiliation":[{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7301-349X","authenticated-orcid":false,"given":"Cl\u00e1udia","family":"Carmo","sequence":"additional","affiliation":[{"name":"Psychology Research Centre (CIP), Rua de Santa Marta, 47-3\u00ba, 1169-023 Lisboa, Portugal"},{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7430-1939","authenticated-orcid":false,"given":"Marta","family":"Br\u00e1s","sequence":"additional","affiliation":[{"name":"Psychology Research Centre (CIP), Rua de Santa Marta, 47-3\u00ba, 1169-023 Lisboa, Portugal"},{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3278-8424","authenticated-orcid":false,"given":"Rita","family":"Santos","sequence":"additional","affiliation":[{"name":"Psychology Research Centre (CIP), Rua de Santa Marta, 47-3\u00ba, 1169-023 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1009-0519","authenticated-orcid":false,"given":"Cristina","family":"Nunes","sequence":"additional","affiliation":[{"name":"Psychology Research Centre (CIP), Rua de Santa Marta, 47-3\u00ba, 1169-023 Lisboa, Portugal"},{"name":"Faculty of Human and Social Sciences, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2024,3,25]]},"reference":[{"key":"ref_1","unstructured":"UN Volunteers (2023, July 02). 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