{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T10:44:50Z","timestamp":1791888290939,"version":"4.3.4"},"reference-count":64,"publisher":"Grupo Editorial Psicofundaci\u00f3n","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Psicothema"],"accepted":{"date-parts":[[2026,3,19]]},"published-print":{"date-parts":[[2026]]},"abstract":"<title>Abstract: <\/title>\n\t\t\t\t<sec>\n\t\t\t\t\t<title>Background:<\/title>\n\t\t\t\t\t<p> Breast cancer (BC) has a substantial impact on women\u2019s emotional well\u2011being. This study examined the psychometric properties of the Negative and Positive Affect Scales (NAPAS) to provide validity evidence for their use in women with BC. <\/p>\n\t\t\t\t<\/sec>\n\t\t\t\t<sec>\n\t\t\t\t\t<title>Method:<\/title>\n\t\t\t\t\t<p> We evaluated validity evidence based on internal structure and on relationships with other variables (general health, life satisfaction, self\u2011esteem and resilience), as well as item analysis, reliability of scale scores and measurement invariance across age groups (<italic>N<\/italic> = 202). <\/p>\n\t\t\t\t<\/sec>\n\t\t\t\t<sec>\n\t\t\t\t\t<title>Results:<\/title>\n\t\t\t\t\t<p> Confirmatory factor analysis supported a two\u2011correlated factor structure, negative affect (NA) and positive affect (PA), \u03c7\u00b2(53) = 137.807, CFI = .994, NNFI = .993, RMSEA = .089, SRMR = .067. This structure was invariant between age groups (\u2264 50 vs. > 50 years). The homogeneity indices and the reliability of the scores were adequate. PA was positively associated with life satisfaction, self\u2011esteem and resilience, and negatively associated with general health and its dimensions. NA showed the opposite pattern of associations. <\/p>\n\t\t\t\t<\/sec>\n\t\t\t\t<sec>\n\t\t\t\t\t<title>Conclusions:<\/title>\n\t\t\t\t\t<p> The findings support the use of the NAPAS as a measure of affective well\u2011being in women with BC. Given its strong associations with mental health indicators, the scale may be useful in clinical settings for assessment and intervention planning.<\/p>\n\t\t\t\t<\/sec><\/jats:p>","DOI":"10.70478\/psicothema.2026.38.19","type":"journal-article","created":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T09:47:36Z","timestamp":1791884856000},"page":"204-212","source":"Crossref","is-referenced-by-count":0,"title":["Psychometric Properties of the Negative and Positive Affect Scales (NAPAS) in Patients with Breast Cancer"],"prefix":"10.70478","volume":"38","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1955-8536","authenticated-orcid":true,"given":"M. Victoria","family":"Cerezo","sequence":"first","affiliation":[{"name":"University of Malaga","place":["Spain"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luc\u00eda","family":"S\u00e1nchez-Esp\u00edldora","sequence":"first","affiliation":[{"name":"University of Malaga","place":["Spain"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2122-1374","authenticated-orcid":true,"given":"Rafael","family":"Alarc\u00f3n","sequence":"first","affiliation":[{"name":"University of Malaga","place":["Spain"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9803-7239","authenticated-orcid":true,"given":"Lorena M.","family":"Soria-Reyes","sequence":"first","affiliation":[{"name":"University of Malaga","place":["Spain"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4046-9308","authenticated-orcid":true,"given":"Mar\u00eda J.","family":"Blanca","sequence":"first","affiliation":[{"name":"University of Malaga","place":["Spain"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"51243","published-online":{"date-parts":[[2026,8,30]]},"reference":[{"issue":"1","key":"ref0","doi-asserted-by":"publisher","first-page":"81","DOI":"10.1016\/j.ijchp.2019.11.001","article-title":"Psychometric properties of the Connor-Davidson Resilience Scale in women with breast cancer","volume":"20","year":"2020","unstructured":"Alarc\u00f3n, R., Cerezo, M. 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