Researchers Have Demonstrated That Children Three Years of Age and Younger

Multiple Choice

Researchers have demonstrated that children three years of age and younger have more advanced perspective-taking skills than Piaget had believed. What have researchers done to show this?

A) They have simplified some of the standard Piagetian tasks.
B) They have cited examples of how young children point in order to direct another's attention to an object.
C) They have pointed out that even young preschoolers adjust their speech with an appreciation of what the listener knows.
D) All of the alternatives are correct.