One of the many criticisms leveled at standardized testing is that the time limits commonly used require a speed component of performance which may act to the disadvantaged of certain culturally defined groups. Recent studies by the authors examined the question of differential time limits and group performance for standardized academic aptitude…

The stability and change of verbal, non-verbal, and total IQ scores from group tests were investigated for students tested at Grades 1, 2, 4, 7, 9, and 11. Conclusions are discussed in detail, and the following recommendations are made: (1) Group intelligence tests should not be routinely administered in Grades 1 and 2 unless the users and…