Testing, in education and psychology, is an attempt to measure a person's knowledge, intelligence, or other characteristics in a systematic way. There are many types of tests. Teachers give tests to discover the learning abilities of their students. They also give tests to see how well students have learned a particular subject. Some tests help people choose a vocation, and other tests help them understand their own personality.
Standardized tests
Most printed tests taken by students and others are standardized. A test has been standardized after it has been used, revised, and used again until it shows consistent results and average levels of performance have been established. Firms that prepare standardized tests include information with them on how to give and score each test. The results of one person's performance may be compared with those of many others who have taken the same test. Most teachers also use nonstandardized tests that they make up themselves. The quality of a test is judged by three major standards: (1) validity, (2) reliability, and (3) practicality.
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