J. mcvicker hunt observed children in an iranian orphanage being raised in an extremely deprived environment. these children were passive and cognitively immature. hunt's training program for caregivers, called dramatically advanced the children's intellectual and language abilities.

The answer is tutored human enrichment. The tutored human enrichment will help the individual into developing their abilities and intelligence that are exercised and trained with the use of mental quality in which this will help the Iranian children to develop their cognitive abilities.

"choosing is refusing" means individuals face an opportunity cost with each decision they make. economists state that every decision involves trade-offs. opportunity cost is the least desirable alternative given up as a result of a decision.

fertile good for trade etc