الثلاثاء، 11 نوفمبر 2008

The Differences between Measurement, Assessment and Evaluation

Measurement, assessment, and evaluation are three methods used in educational system. Each one of them has its features and way. Although they are used in educational aspect, also used in another aspects and there are many differences between them.
First, according to the use of the data that we get from measurement, it could not be useful. It depends on the user's skills and instruments. However, data of assessment is useful.
Second, the differences of aspects for each one. The aspects of measurement are attributes or dimensions of some physical object, IQ of person and attitudes or preferences. On the other hand, the aspects of assessment are skills, understanding and person's knowledge. Evaluation could be for situations, people and conditions.
Third, the assessment could be established every day, month or could be at the end of the year. In fact, every time the teacher gives the students test she assesses them. In contrast, the evaluation must be every day.
Fourth, the instruments that are used to measure particularly in dimension are ruler, scale and thermometer. On the other hand, in assessing skills we need SAT and GRE.
Fifth, we measure things according to standard or established rule. While in assessment we assess according to criteria of quality.
Finally, three of them are like three branches in a tree. They are separated and connected. Only further reading and experience can make things clearer