RT Journal Article
SR Electronic
T1 Essay Review
JF Harvard Educational Review
JO herp
FD Harvard Educational Press
SP 230
OP 239
DO 10.17763/haer.41.2.l2385w0370864g76
VO 41
IS 2
A1 Wallach, Michael
YR 1971
UL http://harvardeducationalreview.org/content/41/2/230.abstract