Jean Piaget's intensive observations and analyses of his three children formed the basis of his theories of childhood development. This is an example of the ________ method of research.
A) naturalistic observation
B) correlational
C) psychometric
D) case study

Question

Quizplus · Accepted Answer

Piaget's study of his own children is an example of a case study, which involves intensive analysis of a single individual, group, or situation.

Jean Piaget's Intensive Observations and Analyses of His Three Children