GMAT Critical Reasoning (CR) | Employees who understand how their roles fit into the big picture

Employees who understand how their roles fit into the "big picture" of a business or organization are more motivated to do their jobs well. Corporate leaders wishing to improve workers morale should thus consider the "participatory" style of management, in which workers are given an individual piece of a project to carry out, replete with its own explicit goals and responsibilities.

Which of the following illuminates an assumption underlying the statements above?

A) Workers