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Titolo:
Top-down purification of Tobacyk's Revised Paranormal Belief Scale
Autore:
Lange, R; Irwin, HJ; Houran, J;
Indirizzi:
Illinois State Board Educ, Div Assessment E216, Springfield, IL 62777 USA Illinois State Board Educ Springfield IL USA 62777 ingfield, IL 62777 USA Univ New England, Dept Psychol, Armidale, NSW 2351, Australia Univ New England Armidale NSW Australia 2351 rmidale, NSW 2351, Australia So Illinois Univ, Sch Med, Dept Psychiat, Springfield, IL 62705 USA So Illinois Univ Springfield IL USA 62705 hiat, Springfield, IL 62705 USA
Titolo Testata:
PERSONALITY AND INDIVIDUAL DIFFERENCES
fascicolo: 1, volume: 29, anno: 2000,
pagine: 131 - 156
SICI:
0191-8869(200007)29:1<131:TPOTRP>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ITEM-RESPONSE THEORY; CHILDHOOD TRAUMA; BIAS; EXPERIENCES; DELUSIONS; ANXIETY; MODEL;
Keywords:
Tobacyk's Revised Paranormal Belief Scale; Rasch scaling; top-down purification; gender bias; differential item functioning;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
73
Recensione:
Indirizzi per estratti:
Indirizzo: Lange, R Illinois State Board Educ, Div Assessment E216, 100 N 1st St, Springfield,IL 62777 USA Illinois State Board Educ 100 N 1st St Springfield ILUSA 62777 A
Citazione:
R. Lange et al., "Top-down purification of Tobacyk's Revised Paranormal Belief Scale", PERS INDIV, 29(1), 2000, pp. 131-156

Abstract

Using mostly undergraduate student data (N = 560), factor analysis confirmed the existence of seven factors in Tobacyk's Revised Paranormal Belief Scale (RPBS). However. this replication proved to be of dubious value since (1) the factor structure was significantly affected by age and gender; (2) the items in Tobacyk's original factors were significantly non-additive; (3)the items showed pervasive differential item functioning (DIF) related to respondents' ages, gender, or both; and (4) simulations indicated that the factor structure are the result of DIF. The removal of DIF via "top-down purification" yielded two correlated clusters of items dubbed "New Age Philosophy" and "Traditional Paranormal Beliefs". Both clusters obey an Andrich rating-scale model with person reliabilities of 0.90 and 0.74, respectively. Principal component analysis confirmed that these two clusters are unidimensional and without significant age or gender DIF (p > 0.10), While the Traditional Paranormal Beliefs cluster continued to show a significant main effect of age, neither cluster showed a significant gender effect, thereby calling into question some traditional findings regarding paranormal beliefs. We strongly suspect that the dearth of DIF studies indicates that age and gender biases due to DIF have largely gone unnoticed in the extant personality and assessment literature. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/01/20 alle ore 19:03:35