... backgrounds on evaluating a test, which includes language testing, criteria of good tests and theoretical ideas on test reliability and validity as well as achievement tests.Chapter 3- The study ... good tests can sustain or enhance class morale and aid learning.2.2 Language TestingLanguage testing is one of the forms of testing and it is also one form of measurements. Its importance in English ... validity, the final achievement test appears valid. The test contains items which are chosen to comply with the test specification as shown above. The - 31 - test is closely related to the proposed...