What does an assessor need to understand before she or he can perform an assessment? 

 Answer the question with a short paragraph, with a minimum of 250 words in APA format. 

 A minimum of two references are  required.  One reference for the book is acceptable but multiple  references are allowed.  There should be multiple citations within the  body of the post.  Note that an in-text citation includes author’s name,  and year of publication.