What do industrial and organizational psychology, health psychology, sport and exercise psychology, forensic psychology, and clinical psychology all have in common?

a. they are all examples of applied psychology.
b. they are all areas of psychology that developed in the 19th century.
c. they all focus on groups instead of individuals.
d. job growth is greatest in these fields.

A. They are all examples of applied psychology.

Explanation:

Applied psychology refers to a branch of psychology that is focused on putting the concept that exists in the field of psychology into something applicable in real life

- Organizational psychology - when psychology is infused into organizational techniques

- health psychology, when psychology is infused into biology and nutrition

- sport and exercise psychology, when psychology is infused into athletic fitness

-forensic psychology when psychology is infused into the science of criminal investigations

b) to encourage free trade