Tests of validity and reliability are relativity, for examinees testing is also used to measure the reliability and, therefore, to measure the validity of the data, and effectiveness is to distinguish three different types of review.
Relative effectiveness and reliability test is also used to measure the reliability of the test for the candidates, it is also possible to measure the effectiveness of the data, but also to distinguish the effectiveness of three different types of review.
The validity and reliability are relativity tests, is used to survey is aiming at the reliability that the examinee tests, therefore can also weigh the data the validity, but the validity also differentiates three different types of examinations.