1. Construct an achievement test based on the concepts introduced in this chapter and administer it to a number of students in your class. Then, compute the reliability/precision of the test’s scores...

1. Construct an achievement test based on the concepts introduced in this chapter and administer it to a number of students in your class. Then, compute the reliability/precision of the test’s scores using split-half and KR 20 or KR 21.

2. Define reliability/precision and describe its importance in assessment.