At age 2, Madeleine is given up for adoption by a mentally ill single mother who realizes she cannot provide adequate care for her daughter. Shortly thereafter, Madeleine is adopted by parents who provide lively conversation, lots of books and educational games, and frequent trips to zoos and museums. Based on this information you might expect Madeleine's IQ scores to:
A) Show gradual increases over time
B) Remain constant until school age and then gradually increase
C) Fluctuate over time, but in no discernable pattern
D) Show no variation over time, as IQ is largely the result of heredity

Question

Quizplus · Accepted Answer

Madeleine's enriched environment provided by her adoptive parents, including educational activities and stimulating experiences, is likely to positively influence her cognitive development, potentially leading to gradual increases in her IQ scores over time.

At Age 2, Madeleine Is Given Up for Adoption by a Mentally