It has been found that the correlation of IQ scores with school performance depends on the IQ measurement used. For undergraduate students, the Verbal IQ as measured by WAIS-R has been found to correlate significantly (0.53) with the grade point average (GPA) of the last 60 hours (credits). In contrast, Performance IQ correlation with the same GPA was only 0.22 in the same study.
it has been found that the correlation of iq scores with school performance depends on the iq measurement used for undergraduate students the verbal iq as measured by wais-r has been found to correlate significantly (053) with the grade point average (gpa) of the last 60 hours (credits) in contrast performance iq correlation with the same gpa was only 022 in the same study