Validity and Reliability of the Leiter International Performance Scale ”“ Revised for children of 6 to 8 years

• Autor(a) principal: Mecca, Tatiana Pontrelli
• Data de Publicação: 2016
• Outros Autores: Carvalho, Lucas Fracisco, Simões, Mário Rodrigues, Macedo, Elizeu Coutinho
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Psicologia (Universidade de Brasília. Online)
• Texto Completo: https://periodicos.unb.br/index.php/revistaptp/article/view/18031
• topic: Psicologia; Avaliação Psicológica; Inteligência; Psicometria; Leiter-R; Infância; Intelligence; Psychometrics; Leiter-R; Childhood

This study verified psychometric parameters of the Leiter-R, a nonverbal intelligence scale. The scale wasadministered to 213 children between 6 and 8 years. Exploratory factor analysis and confirmatory indexes showed adequacy fora two factor structure according to the original version. Moderate and high correlations between test-retest measures indicatedthe stability of the test scores. The values of Kuder-Richardson and Spearman-Brown coefficients varied between subtestsaccording to the age of the children. In all age groups the highest values were observed for the subtests Sequential Order andRepeated Patterns. Significant increase in scores occurred only from 6 to 7 and 8 years. Evidence of convergent validity wasobtained between the Leiter-R with the WISC-III and the Raven Colored Progressive Matrices.