Links to other intelligence testing resources

Links to other intelligence testing resources Most intelligence tests today have a mean of 100 and a standard deviation of 15. This means that the average scorer will receive an IQ score of 100, and that statistically 68 percent of the population has an IQ between 85 and 115. Standard Distribution and Variance IQ scores are placed on a bell curve, or normal distribution. Essentially, when all of the scores are placed onto a table, you’ll notice a distinct parabola shape. Most of the IQ scores are hovering around the arithmetic average of 100. The mean, median and mode on an IQ test should all be the same number since IQ scores form a normal distribution. The mean is simply the average score whereas the median is the score exactly…


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