It is possible to identify several common sources of error in performance appraisal systems. These include: Group of answer choices (1) Universal tendency error, (2) strictness or leniency error, (3) halo effect, (4) recency error, and (5) personal biases. (1) central tendency error, (2) strictness or leniency error, (3) halo effect, (4) recency error, and (5) Poor Management (1) central tendency error, (2) strictness or leniency error, (3) halo effect, (4) recency error, and (5) personal biases. None of the answers are correct