THE EFFECT OF STANDARD ERROR OF MEASUREMENT TO APPROPRIATENESS OF EDUCATIONAL EVALUATION

Year 2005, Volume: 7 Issue: 14, 197 - 201, 01.10.2005

Şeref Tan

Abstract

One of the things that teachers must do is grading students’ performance to determine academic achievement of students in a class. İn order to grade students’ achievement, teachers need to have some measurement results. In educational measures, such as academic achievement, personality, attitude, what we measure is usually some abstract variables. Because of that we cannot define perfectly what we measure. Even we define it in some ways, we cannot measure it without measurement errors. Just preparing or selecting a test, then applying it will not give us sufficiently reliable test scores. It is well known that when we measure an abstract variable, we are going to have some amount of errors in our scores. This amount of errors that we have in our scores should be taken account in grading students’ academic achievements. It could be concluded that the measurement error of scores should be used in scoring procedures. In this article, first, the measurement error of classical test theory is introduced very briefly then scoring procedure using measurement error is explained.

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