The literature pertaining to intelligence assessment reveals an ongoing discussion about the areas of intelligence captured by nonverbal tests. To date, few studies have investigated the criterion validity of the Test of Nonverbal Intelligence, Third Edition (TONI-3). The present study investigates the concurrent validity of the TONI-3 in a sample…

The Naglieri Nonverbal Ability Test (NNAT) is said to be a culturally neutral measure of ability that assesses both majority and minority students equally. Although research has examined the effects of ethnicity and gender on NNAT performance, little published research has examined the relationship between socioeconomic status (SES) and NNAT…

This study, involving 70 intermediate grade students, found that scores on the Matrix Analogies Test-Short Form (MAT-SF) were significantly lower than all of the Comprehensive Test of Basic Skills (CTBS) composite scores. The MAT-SF correlated significantly with all areas of the CTBS composite and spelling scores. (Author/JDD)