Which of the following is a structural factor of conflict in an organization?

A) Differences in employees' skills and abilities
B) Differences in individual personalities
C) Differences in goals among work groups
D) Differences in perception among employees

Differences in goals among work groups are considered a structural factor of conflict in an organization because they stem from the organization's structure, such as how it divides tasks and responsibilities among different groups. This can lead to conflicts when different groups have competing or incompatible objectives.