Tatyana has a position she needs to fill. Do you think it is fair to internal applicants to consider a promotion to this position based on job performance appraisal scores? Or, do you think assessment centers or job knowledge tests should be used instead? Tatyana has administered a cognitive ability test and a structured interview, and has scored them. She needs to know which method to use to combine the scores. Which method would you recommend? Which method would you not recommend to Tatyana? Why