Thanks again for your replies
I read the following paragraph from wikipedia about normal curves and intelligence
Distribution in testing and intelligence
Sometimes, the difficulty and number of questions on an IQ test is selected in order to yield normal distributed results. Or else, the raw...
Hello
Yes here is an example. The general knowledge subtest has an average of 70 and SD 23. If someone gets a perfect score of 100 then the z score would be 1.3. Therefore the highest percentile that they could score is the 90th.
similarly the verbal subtest has an average of 68 and SD 22...
Thanks for your reply I hadn't thought about it that way and it makes a lot of sense
So far I have been transforming the general IQ score (labeled 'score' in the diagrams) to a conventional IQ score (mean 100, SD15) and also calculating and reporting the percentile from the z score...
Hello
I would like to hear your opinions on the normality of scores on an IQ test. The test had 30 questions and apart from the general IQ score separate subtest scores such as mathematics, verbal and spatial IQ were also calculated.
Here is a list of results that were obtained from the...