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A Comparison of Magical Ideation in Nonclinical Adolescent and Adult Groups : An Item Response Theory Based Differential Item Functioning Analysis / 대한정신분열병학회지
Korean Journal of Schizophrenia Research ; : 28-34, 2015.
Artigo em Coreano | WPRIM | ID: wpr-183070
ABSTRACT

OBJECTIVES:

We examined magical ideation in adolescent and adult group by Magical Ideation Scale (MIS). We also explored how adolescents and adults respond differently to each items of MIS.

METHODS:

310 nonclinical adults and 310 Year 10 students participated in this study, and completed MIS and Symptom Checklist 90-revision (SCL-90-R). Total scores of MIS were compared between adults and adolescents. The item characteristics of MIS were evaluated by item response theory (IRT). Differential item functioning (DIF) was detected using the parameters of IRT.

RESULTS:

Total score of MIS was higher in adolescents than in adults, but there was no statistical significance. Item 5, 10, 13, and 16 showed significant difference on item difficulty parameters and were identified as DIF. Among DIF items, item 5 was more difficult for adolescents than adults. Item 10, 13, and 16 were more difficult for adults than adolescents. The modified MIS score excluding 4 DIF items was significantly higher in adolescents than adults.

CONCLUSION:

The influence of age on response to DIF items should be considered when comparing MIS scores between adolescents and adults.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Lista de Checagem / Magia Tipo de estudo: Estudo prognóstico Limite: Adolescente / Adulto / Humanos Idioma: Coreano Revista: Korean Journal of Schizophrenia Research Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Lista de Checagem / Magia Tipo de estudo: Estudo prognóstico Limite: Adolescente / Adulto / Humanos Idioma: Coreano Revista: Korean Journal of Schizophrenia Research Ano de publicação: 2015 Tipo de documento: Artigo