2. something that is abstract is something intangible. Catch must not measure behavioral and Social Sciences (social and behavioral science) is a feature that is not clearly defined measures, such as the measure of achievement (achievement) measuring attitudes (attitude) measuring personality measure (aptitude) and right-handed (personality), etc. This top-quality metrics than things measuring instruments are accurate measuring results, and less precise. How to measure is a measure of indirect measure is not complete. Carefully and no mistake. A number or symbol that is measure from the estimated values. Unable to replace the quantity or the quality of the features you want to measure it all, such as measuring the mathematics achievement of students who are 15 points 15 figures did not represent a mathematical knowledge quantity of all student. Even the students who completed the full score. This does not mean that students who are knowledgeable in these matters is completely full, according to the frame of the course. Conversely, students who have 0 points, it does not mean that the student has no knowledge of such a feature is ability. Simply answer the questions or metrics do not correspond to the knowledge and abilities that students who have this artificial number zero 0.Educational measurement characteristics.Educational measurement is to measure abstract feature measurement effects are as follows:1. an indirect measure is measured for features you want to measure directly. Want to give away such a feature definition is a behavior that is measured. Then, measure by measure, such as the definition of behavior that is the responsibility of the student. Need to define attributes and responsibilities is a behavior that is measured. It may be split into sub-like behaviour is not at all working-school assignments, Bring supplies that teachers order come all the time. Send scheduled task or homework, etc. 2. the measure is not complete. Educational measures cannot be measured measurement features you want to complete. A partial measure or measure can only be representative of all the features such as the ability to measure student reading. Those measures could not answer all the questions to test students. Can only be a part of that I think is representative of all the measured words, etc.3. There was an error. Because that cannot be measured directly, and the definition of what to measure, it cannot be defined as behavior that is measured all measurements were incomplete. A number or symbol that is measure from the features you want to measure, in fact, it may be more or less. Measurement is the measurement error or tolerance from reality. A good metric must be a mistake or minimum tolerance.4. in a relationship. To know the meaning of numbers that measure. These figures must be compared with those of other people, or to bring the students ' test scores compared to the average score of the group, compared to a score of friends who make together or against the scores of the student with previous exam. If the score is higher than friends. Show that it is capable of measuring more than a friend, or if you have a high score than score himself had in the past. There is more development, etc.Principles of educational measurement.Educational measure. There are basic principles. As follows:1. define what you want to measure clearly described in such a way to measure whether the educational measure is an indirect measure. To measure the quality of the feature definition must be measured, straight and clear. This definition is very important. If the definition is not met, or is not valid. The measuring instruments built by definition it has no quality. Effect of measurement error, is measured do not match the features you want to measure. 2. use a quality metrics The heart of the measure is to be able to measure the exact feature that requires precise measurements and measurement. Using quality measurement tools, quality of tools there are many reasons it is important that there is a direct (validity) is measured with a feature that requires the measurement and precision (reliability) is a measure of how many times the effect has been that the measure does not change. 3. conditions of measurements clearly is to determine exactly how to measure anything. How to measure. Determine how the symbols and figures. Educational measurement procedure. 1. Identify the purpose and scope of the measure whether measured measured? 2. defining the features you want to measure to measure behaviour. 3. set the measurement methods and Instrumentation 4. the supply or measurement tools. The case created a new tool, follow the steps. As follows: 4.1 creating question situation conditions or stimuli to encourage a rival measure, was responding to a question by measurement conditions, situations or stimuli it needs direct and comprehensive features that definition. 4.2 consider any situation or condition in question may stimuli, content specialists and technical indicators help determine. 4.3 evaluation tools with groups that are comparable with the group that want to measure. 4.4 for the quality of the information and quality tools, quality. The entire tool. 4.5 prepare a manual measuring and interpreting 4.6 prepare a complete Edition Tools. 5. take the measurement according to the given method. 6. inspection and measurement result analysis7. measuring results interpreted and implemented effective measures to.
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