Final answer:
The primary measure of success for a nonprofit organization is the effectiveness of the services delivered.
Step-by-step explanation:
The primary measure of success for a nonprofit organization is typically the effectiveness of the services delivered. Nonprofit organizations are primarily focused on fulfilling their mission and providing services to their target beneficiaries, rather than generating profits. The effectiveness of these services, such as the impact on the lives of the beneficiaries, is a crucial indicator of the organization's success.