A variety of assessment methods and instruments can and should be used to evaluate the performance of individuals and groups. Some possible assessments are described, including (1) adaptive testing; (2) anecdotal records; (3) assessment centers; (4) behavioral checklists; (5) behaviorally anchored rating scales; (6) checklists; (7) computerized assessments; (8) the critical incident technique; (9) essays; (10) the in-basket test; (11) interviews; (12) logs or journals; (13) observations; (14) paper-and-pencil tests; (15) portfolios; (16) projects; (17) questionnaires; (18) rating forms; (19) track records; (20) video and audio tapes; (21) work sample tasks; and (22) work simulation tasks. To determine the method most appropriate for a given performance evaluation system, it is necessary to consider purpose and criteria, as well as individuals, resources, and legal and technical issues. (Contains 31 references.) (SLD)