共 5 条
[1]
BRYANT PE, 1967, 1 P INT C MENT DEF M
[2]
A DEVELOPMENTAL STUDY OF DISCRIMINATION OF LETTER-LIKE FORMS
[J].
JOURNAL OF COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY,
1962, 55 (06)
:897-&
[4]
DISCRIMINATION OF DIRECTION OF LINE IN CHILDREN
[J].
JOURNAL OF COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY,
1963, 56 (05)
:892-&
[5]
ZEAMAN D, 1963, HANDBOOK MENTAL DEFI