What Major Shift in Emphasis Has Taken Place in Developmental

Multiple Choice

What major shift in emphasis has taken place in developmental psychology across the last 20 years?

A) The field has become less experimental and more anecdotal.
B) The study of adolescence has pretty much supplanted the study of childhood.
C) The focus has broadened to include the entire life span.
D) Cognitive theory has been largely replaced by behaviorism.