All modern IQ tests that I am aware of have normal distributions (ie, the mean, median, and mode are all the same) by design. If one of several IQ measures is

All modern IQ tests that I am aware of have normal distributions (ie, the mean, median, and mode are all the same) by design. If one of several IQ measures is not your cup of tea for scoring mental ability, that is fine, but I highly suspect that whatever you pick instead will also have a normal distribution.