AbstractUsing Otis‐Lennon Mental Ability Test, Elementary II Level, and WISC verbal, Performance and Full Scale IQs of 40 white children, correlations of.71,.57 and.73, respectively, were computed. The results suggest that IQs on the Otis‐Lennon are not directly comparable to the WISC IQs and should be interpreted with caution when used as a criterion for identifying mentally retarded white children attending public scho