Behavioral psychologists try to apply personality research to practical concerns by

A) controlling the way people process information.
B) identifying characteristics of individuals in the workplace.
C) creating environments to increase the frequency of desired behaviors.
D) facilitating people in the development of their self-concept.

Behavioral psychologists focus on changing behavior through environmental manipulations, such as reinforcement and punishment. They aim to increase the frequency of desired behaviors and decrease the frequency of undesired behaviors by creating environments that facilitate the desired behaviors. Therefore, choice C is the best answer. Although the other options may be relevant to personality research or practical concerns, they do not directly relate to the goal of behavioral psychology in applying personality research.