Leiter International Performance Scale
Lei·ter In·ter·na·tion·al Per·form·ance Scale(lī'tĕr),
a nonverbal (performance) test for measuring intelligence that contains norms for each age between 2 and 18; originally developed as a method of assessing the comparative intellectual abilities of white, Chinese, and Japanese children, but now occasionally used for assessing slow learners and those who are blind, deaf, or verbally handicapped.
Leiter,Russell G., U.S. psychologist, 1901–.
Leiter International Performance Scale - a nonverbal test for measuring intelligence.