overall, the tests included in our discussion are about as reliable and well standardized as the best individual test.however, as for some individual test, validity data for some group tests are weak,meager,contradictory, or all three. Therefore,all users of group group test must carefully interpret and make use of test scores.these test should not be seen as a simple way of making decisions, but rather as a tool to be used in conjunction with other data
test use is an especially important issue for group tests, because the results from these procedures are used by more people than are the results from individual test. all routine users of theses tests- thousands of teachers, educators, school administrators,personnel staff, counselors, and so forth as well as the many consumer of group test information can benefit from the following suggestion