the human resource department of a company brings in a consultant to evaluate its performance management system. the consultant says she evaluated the validity of the system's performance measures and identified some deficiencies. what does the consultant most likely mean? multiple choice the performance measures are too vague to provide useful guidance. some behaviors that contribute to business success are not being measured. some attitudes that are being measured are unrelated to success on the job. results gathered in certain ways are inconsistent from one rater to another. results gathered in certain ways are inconsistent over time.