"June 20- Sales clerk patiently listened to the customer’s complaint. She is polite, prompt, enthusiastic in solving the customer’s problem.
June 20- The sales assistant stayed 45 minutes beyond her break during the busiest part of the day. She failed to answer the store manager’s call thrice. She is lazy, negligent, stubborn, and uninterested in work."

Which performance appraisal method are these two examples taken from ?