RT Journal Article
SR Electronic
T1 Essay Review
JF Harvard Educational Review
JO herp
FD Harvard Educational Press
SP 565
OP 569
DO 10.17763/haer.47.4.y47u75635p577461
VO 47
IS 4
A1 Murphy, Jerome
YR 1977
UL http://harvardeducationalreview.org/content/47/4/565.abstract