IN ORDER TO DEVELOP AN INTELLIGENCE TEST FOR PRESCHOOL-AGE CHILDREN THAT WOULD OVERCOME SOME OF THE LIMITATIONS OF AVAILABLE TESTS, A PERCEPTUAL DISCRIMINATION TEST USING POLYGONAL FORMS HAS BEEN DESIGNED AND TESTED. THE CHILD POINTS TO ONE OF TWO, THREE, OR FIVE FORMS MATCHING A STIMULUS FORM. INITIAL TESTING WITH 44 CHILDREN RANGING IN AGE FROM…

A STUDY EXAMINED THE VALIDITY OF TWO BRIEF INTELLIGENCE SCALES, THE PEABODY PICTURE VOCABULARY TEST (PPVT) AND THE COLUMBIA MENTAL MATURITY SCALE (CMMS), TO SEE IF THESE TESTS OVERESTIMATED THE INCIDENCE OF INTELLECTUAL RETARDATION AMONG POVERTY AREA CHILDREN. THESE TWO TESTS AND AN EXPERIMENTAL MEASURE OF INTELLIGENCE, THE JOHNS HOPKINS…