Jessica hates evaluating her employees. She thinks that performance appraisal is a big waste of time and she does not like to create distinctions or divisions between her employees. This year Jessica decides to save time and trouble by giving all of her employees a "3" or "average" on the 5-point rating scale. Which rating error is Jessica demonstrating in her ratings? a. Central tendency b. Leniency c. Halo d. Recency