In class a baby chewing on a book was given as an example of:

Adolescence is a period in the life span that is, in many ways, arbitrarily and culturally derived

Indicate whether the statement is true or false.

Which of the following is the best example of a naturalistic observation?

A) Observing rat behaviors as they pass through a maze B) Observing food consumption behaviors in the food court of a shopping mall C) Observing the performance of cyclists in group versus individual cyclists D) Observing the effect of screaming obscenities on a crowded airplane