The effect of grade norms in college students: using the Woodcock-Johnson III Tests of Achievement.

The Woodcock-Johnson III Tests of Achievement grade norms versus age norms were examined in the calculation of discrepancy scores in 202 college students. Difference scores were calculated between the Wechsler Adult Intelligence Scale-3rd Edition Full Scale IQ and the Woodcock-Johnson III Total Achievement, Broad Reading, Math, and Written Language scores. The proportion meeting the substantial discrepancy criterion of two standard deviations plus or minus the standard error of the difference between means was 7.