Final answer:
360-degree feedback involves feedback from multiple sources, provides different perspectives on an employee's job performance, and includes self-assessment.
Step-by-step explanation:
360-degree feedback is a performance appraisal method that involves feedback from multiple sources, including supervisors, peers, subordinates, and even customers. It provides different perspectives on an employee's job performance and can be used to identify areas for improvement or training opportunities. Self-assessment is also part of the 360-degree feedback process, allowing employees to reflect on their own performance.