Length: Minimum of 400 words Students will be required to create 1 new thread, and provide substantive comments on at least 3 threads created by other students. Make sure to explain and backup your r

Length: Minimum of 400 wordsStudents will be required to create 1 new thread, and provide substantive comments on at least 3 threads created by other students. Make sure to explain and backup your responses with facts and examples. This assignment should be in APA format and have to include at least two references.Question:What does an assessor need to understand before she or he can perform an assessment?