chapter  X
39 Pages


HEREDITY OR ENVIRONMENT ALONE CAN PRODUCE LARGE P ERSONALITY DIF FERENCES. Families of low economic status produce more than their quota of low I.Q.'s, school retardation, truancy, and d elinquency. Families of hi gh' status produce children wh o are more com pe te n t , espe cia ll y in the handling of words. They produce at least thei r quota of emotional problem children. There is ab u n d an t evide nc e that the cultural en viro n men t of underprivileged groups is m ainly responsible for the inferiorities they show on being tested.