This is vital information to consider as it can affect their performance on the test and may not be attributed to their condition. Some of the most highly rated assessment categories include: intelligence, achievement, memory, language, attention and motor skills. (Silver, 2006). The selection of certain categories or tests within a category to be evaluated is determined based on the obvious problems displayed by the candidate or his or her condition (Silver, 2006). Once the assessments are completed, an account of the patient's abilities must be documented along with the behavioral observations that the professional noted during the entire period