{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T22:42:16Z","timestamp":1790289736446,"version":"4.1.0"},"reference-count":49,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2014,10,2]],"date-time":"2014-10-02T00:00:00Z","timestamp":1412208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100003400","name":"Ontario Ministry of Research and Innovation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100003400","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Early Intervention Psych"],"published-print":{"date-parts":[[2016,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>We examined the factor structure of the <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>ositive and <jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>egative <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>yndrome <jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>cale (<jats:styled-content style=\"fixed-case\">PANSS<\/jats:styled-content>) in early\u2010episode psychosis and its relationships with functioning at baseline and follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 240 consecutive admissions to an early intervention in psychosis clinic were assessed at intake to the program with the <jats:styled-content style=\"fixed-case\">PANSS<\/jats:styled-content>, Global Assessment of Functioning (<jats:styled-content style=\"fixed-case\">GAF<\/jats:styled-content>) and Social and Occupational Functioning Assessment Scale (<jats:styled-content style=\"fixed-case\">SOFAS<\/jats:styled-content>). Seventy individuals were reassessed at follow\u2010up. A maximum likelihood factor analysis was conducted on baseline <jats:styled-content style=\"fixed-case\">PANSS<\/jats:styled-content> scores and the ability of each factor to predict baseline and follow\u2010up <jats:styled-content style=\"fixed-case\">GAF<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SOFAS<\/jats:styled-content> was examined.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A five\u2010factor model with varimax rotation was the best fit to our data and was largely congruent with factors found previously. The negative symptom factor was the best predictor of <jats:styled-content style=\"fixed-case\">GAF<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">SOFAS<\/jats:styled-content> at baseline and follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Negative symptoms are the best symptomatic predictor of functioning in individuals with early psychosis and are an important treatment target to improve recovery.<\/jats:p><\/jats:sec>","DOI":"10.1111\/eip.12190","type":"journal-article","created":{"date-parts":[[2014,10,3]],"date-time":"2014-10-03T03:17:38Z","timestamp":1412306258000},"page":"165-170","source":"Crossref","is-referenced-by-count":28,"title":["Examination of the <scp>P<\/scp>ositive and <scp>N<\/scp>egative <scp>S<\/scp>yndrome <scp>S<\/scp>cale factor structure and longitudinal relationships with functioning in early psychosis"],"prefix":"10.1111","volume":"10","author":[{"given":"Michael W.","family":"Best","sequence":"first","affiliation":[{"name":"Department of Psychology Queen's University  Kingston Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Grossman","sequence":"additional","affiliation":[{"name":"Department of Psychology Queen's University  Kingston Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L. 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