Nine-month-old Avery can retrieve his ball when his mother hides it under a blanket. Avery has begun to master __________

Unlike Freud, Erikson

A) viewed children as taking a more active role in their own development. B) pointed out that normal development must be understood in relation to each culture's life situation. C) minimized the role of culture in individual development. D) primarily focused on the importance of early life experiences.

Amelia was born to parents of Mediterranean descent. In infancy, Amelia appeared pale, had slowed physical growth, and was lethargic. Amelia's parents should have her tested for

A) Cooley's anemia. B) Huntington disease. C) Marfan syndrome. D) Duchenne muscular dystrophy.