a norm-referenced and standardized test- the main goal of this examination is to calculate a persons existing skill level or competency in a specific topic. Many times the ?differentiation ?is made that achievement exams ?stress? ?aptitude? gained ?by means of ?official? ?educational? experiences ?or? ?proper training?, ?when ?skills? ?assessments? ?stress? ?natural? ?promise. ?Furthermore, ?to? ?their? ?employment ?in? ?scholastic? ?departments?, ?achievement? ?exams ?are? ?also used? ?for? ?a? ?multitude? ?of? ?specialist?, ?training?, ?and? ?assessment? practices.