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) social
b) industrial-organizational
c) gestalt
d) biological

B) industrial-organizational psychology

Explanation:

Industrial-organizational psychology is a branch in psychology that organization can use to maximise the productivity of their organization through understanding their employees psychologically. It focuses on physical and metal well-being of employees.

Industrial-organizational psychology aims at studying employees attitudes, behavior,inventing leadership training programs.

The industry side deals with studying characteristics of the employees and matching employees to those roles that goes well their personality in which they can excel.

The organizational side focuses on how the organization affect employees like its structure, norms, management styles and expectations

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