1. Among a group of mentally handicapped 10-year-old children, it is found that the correlation between IQ and reading achievement is .25. However, on a school-wide basis the correlation is .50. Assuming these results to be typical, what explanation do you suggest?
2. To study creativity, a number of outstandingly creative persons are assembled and tested. It is found that ratings on creativity and IQ correlate.20. It is concluded that creativity is really quite different from intelligence. Describe any objections you have to this conclusion.