Oona wants to conduct research on personnel management, workplace environment, and what type of environment results in high levels of employee productivity and efficiency. oona should conduct research in the area of psychology. a) socialb) industrial-organizationalc) gestaltd) biological

Industrial-Organization Psychology

Explanation:

Industrial-Organization Psychology is the scientific study of people in the organization where they work. It is about to study the behavior of a worker in an organization.

This is also called I/O psychology. This psychology is basically to conduct the study to know the behavior and environment of an organization so that the proper solution can be applied to the problem area. An individual should have proper and deep knowledge about an organization and the individual are working there in the organization.  

Thus in the above statement, Oona should research the area of industrial organization so that she can manage the workplace, environment and to increase the high level of productivity and quality and efficiency in the workers.