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Phonological Skills and Executive Functions: Their Effects on Reading and Arithmetic Abilities across Varied Performance Levels Using Quantile Regression
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Gabriella Koltermann; Juliana Burges Sbicigo; Giulia Moreira Paiva; Melina Lima; Mariuche Rodrigues de Almeida Gomides; Guilherme Maia de Oliveira Wood; Júlia Beatriz Lopes Silva; Vitor Geraldi Haase; Jerusa Fumagalli de Salles – Australian Journal of Learning Difficulties, 2024
We aimed to investigate the effects of phonological awareness -- PA, rapid automatised naming -- RAN, visuospatial and verbal working memory -- WM and executive functions -- EF on the reading and arithmetic skills of children with low- to medium-performance levels. Participants were 472 Brazilian children from 3rd to 5th grades. Quantile…
Descriptors: Phonological Awareness, Reading Skills, Executive Function, Reading Ability
Is It Worthy to Take Account of the "Guessing" in the Performance of the Raven Test? Calling for the Principle of Parsimony for Test Validation
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Lúcio, Patrícia Silva; Vandekerckhove, Joachim; Polanczyk, Guilherme V.; Cogo-Moreira, Hugo – Journal of Psychoeducational Assessment, 2021
The present study compares the fit of two- and three-parameter logistic (2PL and 3PL) models of item response theory in the performance of preschool children on the Raven's Colored Progressive Matrices. The test of Raven is widely used for evaluating nonverbal intelligence of factor g. Studies comparing models with real data are scarce on the…
Descriptors: Guessing (Tests), Item Response Theory, Test Validity, Preschool Children
Are Working Memory Measures Free of Socioeconomic Influence?
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Engel, Pascale Marguerite Josiane; Santos, Flavia Heloisa; Gathercole, Susan Elizabeth – Journal of Speech, Language, and Hearing Research, 2008
Purpose: This study evaluated the impact of socioeconomic factors on children's performance on tests of working memory and vocabulary. Method: Twenty Brazilian children, aged 6 and 7 years, from low-income families, completed tests of working memory (verbal short-term memory and verbal complex span) and vocabulary (expressive and receptive). A…
Descriptors: Learning Problems, Low Income, Short Term Memory, Socioeconomic Influences
Analysis of Large Data Sets in Brazil: A Study on Selection Procedures to College Admission.
Rodrigues, Aroldo – 1979
Because the achievement battery traditionally administered to Brazilian college bound students may discriminate against those who cannot afford to attend the best high schools or preparatory courses, tests were developed to measure aptitude for higher education, independent of ability or actual knowledge of course content. The focus of the…
Descriptors: Abstract Reasoning, Academic Ability, Academic Aptitude, Achievement Tests