BoehmA. E. (1971) Boehm Test of Basic Concepts: manual. New York: Psychological Corp.
2.
SiegelS. (1956) Nonparametric statistics for the behavioral sciences. New York: McGraw-Hill.
3.
SilversteinA. B.MoritaD. N., & BelgerK. A. (1983) Sex differences and sex bias on the Boehm Test of Basic Concepts: do they exist?Psychology in the Schools, 20, 269–270.