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To be able to calculate scaled scores, you need to know:
1) What is the maximum score possible in your raw scores scale.
i.e. If you are working with results of a school quiz, the maximum score that students can achieve is 100, because in schools the scales on quizes ranges from 0 to a 100. So in this case, you will have to introduce on the 'Max. raw score possible' slot, the value of 100.
2) What is maximum score possible in your scaled scores scale.
i.e. If your scale goes from 0 to 80, you will have to introduce the number 80 on the 'Max. scaled score possible' slot. If you are making up your Scaled Score scale, we suggest you to put there either 100 or 10.
Finally, you just need to introduce the raw score that you want to transform into the 'Raw score' slot. If you still confuse about how a scaled score calculator works, we suggest you to check 'THE THEORY OF HOW A SCALED SCORE CALCULATOR WORKS' below.
This is the most simple formula that you can use. This formula will only work if both of your scales start at the same point, usually at 0. And if both scales are proportional. Most of the cases that you will be working at an introductory level are like this, so this formula will work for most of the scales.
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To be able to calculate raw scores, you need to know:
1) Two numbers of two scales that correspond. For example, if I know that from the raw score 23, I have obtained the result 45, then 23 will be introduced into the first slot called 'Score in the raw scale' slot, and 45 will be introduced in the 'Score that correspond to the raw score' slot.
You can also use here the maximum score of the scales. For example, if I know that the maximum possible score in the raw score scale is 10, and that the maximum possible score in the transformed scale is 100, I will introduce those two numbers on these two slots. 10 would go into the 'Score in the raw scale' slot, and 100 would go into the 'Score that correspond to the raw score' slot.
2) The number from which we want to calculate our raw score. We will introduce that score into the 'Score to transform' slot.
This is the most simple formula that you can use. This formula will only work if both of your scales start at the same point, usually at 0. And if both scales are proportional. Most of the cases that you will be working at an introductory level are like this, so this formula will work for most of the scales.
A scaled score conversion has many advantages. It is used in a wide range of tests to get solid scores, such as SAT test and GMAT test.
WHY A SAT SCORE CALCULATOR?  SAT test contains different sections that use scaled scores that have been through a conversion: Math, Reading and Writing. Using this SAT Score Calculator you can get an estimation of your score on this test. Both your final score and on the score on its different sections. You will get a SAT scaled score as well. WHY A GMAT SCORE CALCULATOR?  GMAT is a CAT (Computer Adaptive Test) that contains four sections: Analytic Writing Assessment, Integrated Reasoning, Quantitative and Verbal. Their conversion gets a final scaled score. After taking the test, you will have to will go home with some of your results, but you won't have a final score yet, since some parts of the test need to be scored by an examiner. However, since you already have some results, you can use those to get an estimation of your score using a GMAT Score Calculator 