When Children Considered to Have an Intellectual Disability Were Moved

Multiple Choice

When children considered to have an intellectual disability were moved from an orphanage to more stimulating environments,

A) their IQ scores improved slightly by five to ten IQ points.
B) they became better adjusted and happier, but did not improve intellectually.
C) their IQ test scores rose an average of 29 points.
D) neither their IQ nor their emotional adjustment showed any improvement.