Forces within an individual that account for the direction, level, and persistence of a person's effort expended at work is called _________.

Forces

Influences or drivers that cause change or affect the performance and behavior of individuals or organizations.

Direction

Guidance or supervision provided to perform tasks or to achieve goals and objectives.

Persistence

The quality of continuing steadfastly or firmly in some state, purpose, course of action, or the pursuit of an objective, despite obstacles.