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Titolo:
Factor versus cluster models of schizotypal traits. I: A comparison of unselected and highly schizotypal samples
Autore:
Suhr, JA; Spitznagel, MB;
Indirizzi:
Ohio Univ, Dept Psychol, Athens, OH 45701 USA Ohio Univ Athens OH USA 45701 io Univ, Dept Psychol, Athens, OH 45701 USA
Titolo Testata:
SCHIZOPHRENIA RESEARCH
fascicolo: 3, volume: 52, anno: 2001,
pagine: 231 - 239
SICI:
0920-9964(200112)52:3<231:FVCMOS>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
PERCEPTUAL ABERRATION; PERSONALITY-DISORDER; SCHIZOPHRENIC-PATIENTS; SUSTAINED ATTENTION; PHYSICAL ANHEDONIA; NEGATIVE SYMPTOMS; RELATIVES; POPULATION; DIMENSIONS; BORDERLINE;
Keywords:
schizotypy; factor analysis; cluster analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
46
Recensione:
Indirizzi per estratti:
Indirizzo: Suhr, JA Ohio Univ, Dept Psychol, 200 Porter Hall, Athens, OH 45701 USA Ohio Univ 200 Porter Hall Athens OH USA 45701 thens, OH 45701 USA
Citazione:
J.A. Suhr e M.B. Spitznagel, "Factor versus cluster models of schizotypal traits. I: A comparison of unselected and highly schizotypal samples", SCHIZOPHR R, 52(3), 2001, pp. 231-239

Abstract

Factor analytic studies have long supported the division of schizophrenic symptoms into three relatively orthogonal factors: positive symptoms, negative symptoms, and disorders of relatedness/disorganization. Similarly, factor analyses of schizotypy often yield three factors: positive symptoms, negative symptoms, and social anxiety or disorganization, Recent cluster analyses, however, suggest that not all patients can be simply categorized according to these factors. Cluster analyses of schizotypal symptoms tend to result in clusters of individuals who axe low in all factors, high in more than one factor, or high predominantly in one factor. The present study soughtto compare factor and cluster models of schizotypal symptoms, as measured by the SPQ, PAS, and MIS, in unselected individuals and highly schizotypal individuals. Consistent with prior research, factor analysis of a large unselected undergraduate sample yielded three factors: "positive", "negative",and "disorganized. " Factor analysis of schizotypal undergraduates producedthe same three factors, plus a fourth designated "paranoid thinking. " In contrast, cluster analysis of the unselected sample yielded four clusters ("low schizotypy", "average schizotypy", and "high schizotypy", plus "positive/disorganized"). Cluster analysis of the schizotypal subsample produced four clusters: "low schizotypy", "positive", "negative" and "high schizotypy. " (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 20/11/19 alle ore 03:27:06