Ramona T Pittman, Shuai Zhang, Emily Binks-Cantrell, Alida Hudson, R Malatesha Joshi
Teachers' knowledge about language constructs related to literacy skills and student achievement in low socio-economic status schools
Dyslexia (Chichester, England)
study examined key assumptions underlying interpretation one widely used multidimensional nonverbal tests intelligence universal nonverbal intelligence testsecond edition unit2 specifically examined dimensionality unit2 interpretive relevance factors also examined invariance constructs measured unit2 across age groups gender race ethnicity structural analyses conducted using data 1802 individuals aged 5 21 years participated norming unit2 results indicate unit2 primarily measure psychometric g tests invariance indicate factors measured unit2 calibrated differently across age gender racial groups memory quantitative reasoning factors represent psychometric g quite well however insufficient unique reliable variance interpretation index scores reflecting memory quantitative reasoning factors based results study question whether administration multidimensional nonverbal tests intelligence worth time effort unidimensional tests may provide information