Answer:
Written essay
Step-by-step explanation:
Written essay method is an approach of performance appraisal, where appraiser prepare a written statement about the strength and weekness of employee to appraise their performance, these strength and weekness are evaluated on the basis of past performance at the employment. It also suggest solution for performance improvement. It is one of the effective method of performance appraisal, however, it is time consuming.
In the given case, Wade have described strength and weekness of each subordinates and also suggested technique to improve performance, therefore, wade is using Written essay method of performance appraisal.