Aresearcher interested in what factors make an employee best suited for a given job would most likely identify as a(n) psychologist.

1. personolity
2. clinical
3. social
4. i-o

Option 4= I-O is correct.

Explanation:

I-O full meaning is Industrial-Organization. Industrial-Organization Psychologists are expert personnel that uses psychology principles to solve certain problems to improve the quality of life.

Industrial-Organizational Psychology is also popularly known as organization psychology, work psychology or occupational psychology.

Industrial-Organization psychology is a branch of psychology that has its main aim on increasing workplace productivity and also, all issues related to workplace. Issues such as the mental and physical well-being of the workers.

mass and volume are the answers you are looking for