Which of the following conclusions can be drawn from the finding that age-related changes in personality are similar across cultures?

A) These changes are not entirely a function of the environment.
B) All cultures have similar stereotyping related to aging.
C) These changes are mainly due to differences in environment.
D) Every culture has a different stereotyping related to aging.

Characteristic Adaptation

Patterns of behavior that are developed in response to the environment and are consistent over time and situations.

Basic Tendency

An underlying characteristic or predisposition to respond to the environment in a certain way, often considered stable over time.

Reticular Activating System

A network of nerves in the brainstem that plays a key role in regulating wakefulness, attention, and sleep-wake transitions.