|"Why do we have tests?" This is the most fundamental question in educational assessment, and it has multiple answers. Assessment is used to:
Measure student achievement
Inform instructional decisions
Evaluate the effectiveness of instructional practices and programs
Monitor educational systems for public accountability
Different assessments serve different purposes and it is critical that educators select the appropriate type of test. Let's consider the principles that guide assessment development and use.
Will Tests Improve the Quality of Education?
It is important for school administrators and policy makers to understand that a new assessment system cannot cure ailing education systems. Tests do not create better students; good teachers and good schools do! The problems facing our nation's schools are serious. There is no single cause, and therefore no simple cure for these problems. There are no shortcuts to improving student achievement and creating a world-class workforce. We continue our search for ways to improve student achievement, not rush into thinking that a new testing system will create better schools.
Why So Many Tests?
No single test can do it all. A diagnostic test to determine the emission level of an automobile engine will not tell you that the tires need air. A different procedure is needed to provide that information. The same goes for tests in education. No single test determines whether all educational goals are being met. A variety of tests, or "multiple measures," is necessary to tell educators what students know and can do. This "multiple-measures approach" to assessment is the keystone to valid, reliable, fair information about student achievement. Any one type of test, whether norm-referenced, multiple-choice or performance assessment, is only one part of a balanced approach to assessment. A multiple-measures approach means that states and local school districts often use different types of tests to assess students. Educators understand the real power and utility of creating testing programs that combine performance assessments, norm-referenced tests and other measures. This approach puts the right kind of assessment to work for the right purpose.
*Adapted from Poway Unified School District Assessment and Accountability
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