Which of the following is a similarity between a behavior observation scale (BOS) and a behaviorally anchored rating scale (BARS)? O a. Both are trait methods of performance evaluation. b. Both are scales that have a low degree of content validity. O c. Both are based on critical incidents. O d. Both are typically developed by a committee that includes only subordinates. Performance review methods can be broadly classified into three categories. These are: O a. trait methods, behavioral methods, and results methods. b. trait methods, behavioral methods, and legal methods. O C. results methods, compensation methods, and trait methods. O d. results methods, behavioral methods, and administrative methods.