Which of the Following Is an Example of Naturalistic Observation

Multiple Choice

Which of the following is an example of naturalistic observation?

A) A three-year-old listens to her sister practice a song on the piano, then plays that song on the piano.
B) A teacher keeps count of how many children use each piece of playground equipment at recess.
C) An experimenter brings children into the laboratory to test their language comprehension.
D) A teacher examines children's test scores to see whether they have learned the multiplication tables.