J McVicker Hunt Found That Institutionalized Children Given "Tutored Human

J. McVicker Hunt found that institutionalized children given "tutored human enrichment"

A) showed no change in intelligence test performance compared with institutionalized children who did not receive such enrichment.
B) responded so negatively as a result of their impoverished early experiences that he felt it necessary to disband the program.
C) thrived intellectually and socially on the benefits of positive caregiving.
D) actually developed greater intelligence than control subjects who had lived in foster homes since birth.