JABŮREK, Michal, Jan ŠIRŮČEK and Tomáš URBÁNEK. Factor Structure of the Czech Version of the Intelligence and Development Scales. In The 9th Conference of The International Test Commission : Global and Local Challenges for Best Practices in Assessment. 2014. ISBN 978-84-9860-997-4.
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Basic information
Original name Factor Structure of the Czech Version of the Intelligence and Development Scales
Authors JABŮREK, Michal (203 Czech Republic, guarantor, belonging to the institution), Jan ŠIRŮČEK (203 Czech Republic, belonging to the institution) and Tomáš URBÁNEK (203 Czech Republic, belonging to the institution).
Edition The 9th Conference of The International Test Commission : Global and Local Challenges for Best Practices in Assessment, 2014.
Other information
Original language English
Type of outcome Conference abstract
Field of Study 50100 5.1 Psychology and cognitive sciences
Country of publisher Spain
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/00216224:14230/14:00076016
Organization unit Faculty of Social Studies
ISBN 978-84-9860-997-4
Keywords (in Czech) IDS; adaptace testu; faktorová analýza; faktorová struktura
Keywords in English IDS; test adaption; factor analysis; factor structure
Tags International impact
Changed by Changed by: Mgr. Michal Jabůrek, Ph.D., učo 167235. Changed: 6/8/2014 11:05.
Abstract
The Intelligence and Development Scales - IDS (Grob, Hagmann-von Arx, Meyer, 2009) is a complex intelligence test for children (5 to 10 years). IDS consists of 19 subtests (21 in the Czech version) and focuses on 6 functional areas - Cognition, Psycho-Motor Skills, Social-Emotional Competences, Mathematics, Language, and Achievement Motivation. This study is a part of a broader standardization study of IDS, which involved 1455 children. The goals of this study are 1) to compare the factor structure of the original and Czech version, and 2) to verify meaningfulness of dividing the verbal and nonverbal subtests into 2 factors, which is based on the tradition of testing by Wechsler tests. To achieve both objectives confirmatory factor analysis (maximum likelihood) was used. The four-factor structure (Extended Cognition, Psycho-motor Skills, Social-emotional Competence and Achievement Motivation) was confirmed. This structure, except for minor differences, corresponds with the original version. Two-factor solution (Verbal and Non-verbal Cognitive Abilities) was proved to be acceptable, but high correlation of these two latent variables (r = 0.88) has been found. Factor validity of the Czech version of the IDS was proved. Moreover, our results bear important consequences for consulting practice and interpretation of intelligence test results. High correlation between latent variables Verbal and Nonverbal cognitive abilities suggests that in the general population the verbal and nonverbal subtests of IDS measures two sides of the same disposition rather than two different abilities.
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