Correlations with Binet IQ in the ITPA normative sample were corrected for restricted intelligence range. The corrected correlation for the Psycholinguistic Quotient is as high as that between the WISC and the Binet, a finding that raises a serious question about the construct validity of the ITPA. (Author)

The article outlines (in question and answer form) a procedure for estimating the treatment validity of a special education test and used two tests as examples. (PHR)

The present study chose as its focus one of the primary reasons of why aptitude-treatment interactions (ATI) are difficult to find: methodological problems in the measurement of aptitude itself. The aptitude selected for this study is sensory modality preferences. Three types of modality data were gathered: norm-referenced (Illinois Test of…

A comparative study between the Sioux children in this study and the white middle-class children used in standardizing the Illinois Test of Psycho-linguistic Abilities (ITPA) may reveal areas of distinctive differences between the 2 populations in specific language use. The 59 selected Indian children were from the Fort Thompson school, were…