# What is the formula to calculate one's I.Q?

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• Anonymous

Well, it's not quite as easy as you might think, unless you are a psychologist. What psyhologists do when they wish to calculate one's I.Q is this:

1. First they make tests with a great variety of questions, depending on the age of the person they're testing. Ex. If they're testing a 10-year old, they'll compile questions that would be suitable for a nine-year-old, ten, and eleven-year-old.

2. So, after the test's been done, they examine it and see which questions are answered. Let's say that the 10 y.o. boy has answered all the questions for the nine y.olds and all of the questions suitable for his age, but he has not answered even one of the "11-year olds" questions. Then we can say that his mental age is equal to his caldendar age, which is shown in the formula:

I.Q.= MA / CA x 100

MA - mental age

CA - caldendar age

So, in our example, I.Q. = 10 / 10 x 100

I.Q = 100

If the 10 y.o.boy had solved all the eleven-year old questions,

I.Q. = 11 / 10 x 100

I.Q = 110

Anyway, like I said before, you can neither compile the questions nor evaulate the results unless you are a very skilled psychologist. So if you want to have it calculated, ask for a proffessional to help you with this matter.

Source(s): I took psychology in high school
• Anonymous
4 years ago

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• 4 years ago

Iq Formula

• 5 years ago

RE:

What is the formula to calculate one&#39;s I.Q?

(1) There is no formula.

(2) There's a rather large argument that IQ tests are worthless. The reason for this is that to make an IQ test, we have to apply certain biased ideas about what intelligence is. In the past we've "proven" that females are less intelligent than males, that blacks are less intelligent than whites, etc. (the list goes on)

Now if there were a way to get some IQ test/scale from a celestial being, then maybe it'd be worth taking one, but until then, I wouldn't if I were you. Almost all of them are wrong (yes, they can be wrong... 100 is by definition "average" but if you tend to segregate classes/races in your scores, then we can't be measuring "intelligence" - even worse, what does "average" even mean when scores are seperated like that?)

Edit:

Heh. Hilarious that rift3r has the most correct formula, but a thumbs down ^_^.

Well, you have to write down every question you ever answered in your life. Take the percentage of right answers you gave and multiply by 2. That is your IQ.

• 7 years ago

talking of formula is one thing and how to form the iq question is another

• Anonymous

is there any formula?? i don't think so..but there's IQ test

• 5 years ago

my mental age is 57 and actual age is 18 then how much is the IQ of mine

• Anonymous