Felipe Domínguez García

Validity has two different classifications in language teaching, Content validity: specific content to measure, and Criterion – related validity: take other areas to measure, and this criterion – related validity is divided in two form of validity: concurrent validity: the criterion is on real or same time, and predictive validity: predict “future performance”, all kind of test must to measure the students knowledge. The test have a positive or negative effect in pupils, in Language teaching, this kind of effect is one the most important thing to care for the successful learning, obviously L2 is, all in all, 100% practical, and students need adequate test to them.