{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T04:24:23Z","timestamp":1772252663980,"version":"3.50.1"},"reference-count":36,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2022,6,28]],"date-time":"2022-06-28T00:00:00Z","timestamp":1656374400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"CIPER","award":["UIDB\/00447\/2020"],"award-info":[{"award-number":["UIDB\/00447\/2020"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Spontaneity and its connections to mental health and wellbeing are a central issue in both theory and practice of psychodrama, and the specialized literature sometimes even associates the presence of pathology to a lack of spontaneity. This paper describes spontaneity in Moreno\u2019s theory, its assessment, its association with other measures and concepts, and scientific advances in the field. Specifically, we present results obtained with the English and Portuguese-language versions concerning its assessment. The main purpose of this work was to study the spontaneity measure (SAI-R) in a 3 first-order factors version for a Portuguese sample of 439 subjects, divided into two independent samples. The mean age of participants was 25.6 years (SD = 10.2), and ages ranged between 18 and 64 years. Data was collected through an online platform of a Portuguese market research company. The results revealed that the 3-factor model has acceptable validity for items 1 (\u201cCreative\u201d) and 7 (\u201cEuphoric\u201d), confirming the composite reliability, the convergent validity, but not the discriminant validity. Through multi-group analysis, the model proved to be stable. Notwithstanding the need for complementary studies, including clinical samples, the SAI-R is a short and valid instrument in clinical and non-clinical contexts when evaluating spontaneity.<\/jats:p>","DOI":"10.3390\/ijerph19137924","type":"journal-article","created":{"date-parts":[[2022,6,28]],"date-time":"2022-06-28T23:59:22Z","timestamp":1656460762000},"page":"7924","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Psychometric Properties of the Spontaneity Assessment Inventory-Revised (SAI-R): The 3-Factor Hypothesis"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2240-3946","authenticated-orcid":false,"given":"Paulo","family":"Martins","sequence":"first","affiliation":[{"name":"Laboratory of Sport Psychology, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-688 Cruz-Quebrada, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7721-8057","authenticated-orcid":false,"given":"Ant\u00f3nio-Jos\u00e9","family":"Gonzalez","sequence":"additional","affiliation":[{"name":"Applied Psychology Research Center Capabilities & Inclusion, ISPA\u2014University Institute of Psychological, Social and Life Sciences, 1149-041 Lisbon, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6239-1137","authenticated-orcid":false,"given":"Margarida","family":"Pedroso de Lima","sequence":"additional","affiliation":[{"name":"Department of Clinical Psychology, Faculty of Psychology and Educational Sciences, University of Coimbra, 3004-531 Coimbra, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2336-0853","authenticated-orcid":false,"given":"Ant\u00f3nio","family":"Rosado","sequence":"additional","affiliation":[{"name":"Laboratory of Sport Psychology, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, 1499-688 Cruz-Quebrada, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2022,6,28]]},"reference":[{"key":"ref_1","unstructured":"Moreno, J.L. 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