1.Distinguish criterion-referenced tests from the norm-referenced test? What kind of norms are used for formative assessment?Which should be preferred by educators in tracking improvement of students? Justify (5pts) 2. Which of the following exam scores should lead to a better grade? a) A score of 55 on the exam with a mean of 60 and a standard deviation of 5. b) A score of 40 on the exam with a mean of 50 and a standard deviation of 20. Explain your answer. (5pts) 3.A class took a midterm exam in a psychological assessment and obtained a distribution where the mean is 40 with a standard deviation of 4. Describe the location of each of the following z scores in terms of its position relative to the mean. For example ,z=+1 is a location that is 4 points above the mean. (8pts) a) z=+2.5 b) z=+.5 c) Z=-2.0 d) z=-.75 4.In a class of 40 students what does a percentile rank of (3pts) a) 84 b) 50 5) What is the relation of the percentile to a z score? And the z to a T score? (4pts) 5.It is well known that similarity in attitude,beliefs and interests ays an impor role in interpersonal attraction (see Byrne, 1971, for example) Thus, correlations for attitudes between partners about to get married should be strong. Suppose a researcher developed a questionnaire that measure how liberal or conservative one's attitudes are. Low scores indicate that the person has liberal attitudes, whereas high scores indicate conservatism. The following are the hypothetical data Bf 11 6 16 4 1 10 5 3 Gf 14 7 15 7 3 9 9 8 Check the correlation.State the hypothesis. Compute and test its significance. (10pts)