‘The Bell Curve’ 20 Years Later: A Q&A with Charles MurrayScientists behaving badly - Statistical Modeling, Causal Inference, and Social Science Statistical Modeling, Causal Inference, and Social Science

The Myth And The Truth About Good IQ Scores Part 2

» Posted by on Jan 7, 2015 in Emotional, Mental, Social | 0 comments

The Myth And The Truth About Good IQ Scores Part 2

The Myth And The Truth About Good IQ Scores: The Rest Of The Story

 

Welcome to part 2 of our discussion on, ” The Myth And The Truth About Good IQ Scores“. We have covered some interesting things so far in part 1. If you have not seen part 1, then I would recommend clicking here to view the post.

In this part of The Myth And The Truth About Good IQ Scores, we will continue with information on other parameters to consider.

The Myth And The Truth About Good IQ ScoresThe Myth And The Truth About Good IQ Scores: Age, another parameter to be addressed

When you are young, you tend to be a high IQ scorer. As you grow up the intelligence start deteriorating. But the actual intelligence that you possess may be different. The label of test, the level of difficulty or the focus area of the test is crucial.

The highest score that you have got in any IQ test may not be the correct indicator of your intelligence.

The Myth And The Truth About Good IQ Scores: Standard Deviation Units may differ

Mental age was believed to be good enough to evaluate your intelligence. But soon it was found to be of no use and a concept of intelligence quotient (IQ) was born.

It is ratio of mental age to chronological age interpreted in percentage. 100 is believed to be an average score and any difference is believed to be above of below average.

This system was good until it was proved worthless, because the standard deviation is not the same throughout your life.

All IQ tests don’t use same standard deviation. One may use a standard deviation of 15 and another 20. it is obvious then that two different scores cannot be compared at the same level.

Hence interpreting a good IQ score becomes all the more complex.

The Myth And The Truth About Good IQ ScoresThe Myth And The Truth About Good IQ Scores: The foundation has vanished

You can find all the above discussed parameters –  the level of difficulty, the matter, standard deviation explained in detail in the IQ tests. But you will never be able to find the system from which the test was designed.

The system is a perfect sample taken from the population. But the population cannot be perfect since the pubic varies a lot. The situation even more convoluted when you compare different societies. Hence no IQ score can be perfect or be considered the best, even though the variables remain stable.

The Myth And The Truth About Good IQ Scores: IQ Score: does it exist?

No digit cannot be established as a good IQ score. Any such claim is false and biased. So there neither exists a good IQ score or a bad one for that matter.

But the industry is not at all concerned to remove this misconception. No efforts are being taken to clarify this issue by anyone.

Take Care And God Bless

Greg “Da Spokesman” Stargell

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The Myth And The Truth About Good IQ Scores


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The Myth And The Truth About Good IQ Scores

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The Myth And The Truth About Good IQ Scores



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‘The Bell Curve’ 20 Years Later: A Q&A with Charles MurrayScientists behaving badly - Statistical Modeling, Causal Inference, and Social Science Statistical Modeling, Causal Inference, and Social Science
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