Will the IQ test ban decrease the effectiveness of reading prediction?

Compared achievement, IQ, and other tests for effectiveness in predicting reading by 709 black and white 7- and 8-yr-old Ss in groups controlled for socioeconomic status, age, and duration of schooling. For pooled Ss and each separate group, the 7 yr olds' reading test predicted 8 yr olds' oral reading better than any other test. The battery and the reading test predicted (a) not significantly differently for the pooled blacks and whites, (b) best for black females, (c) poorest for black males, and (d) better for pooled females than pooled males. Rank of IQ test means for a group were not directly related to predictive effectiveness. Alone, the IQ test contributed to no group as much as 27% of the 8-yr reading test variance and accounted in the multiple regression for less than .04% of added variance. The IQ score contributed as much to the reading prediction for blacks as whites. (24 ref)