RT Journal Article
SR Electronic
T1 Essay Review
JF Harvard Educational Review
JO herp
FD Harvard Educational Press
SP 417
OP 428
DO 10.17763/haer.43.3.l33874u218324872
VO 43
IS 3
A1 Elkind, David
YR 1973
UL http://harvardeducationalreview.org/content/43/3/417.abstract