• An educator wants to determine if early exposure to school will affect IQ. He enlists the aid of the parents of 12 pairs of preschool-age identical twins who agree to let their twins participate in this experiment. One member of each twin pair is enrolled in preschool for 2 years while the other member of each pair remains at home. At the end of the 2 years, the IQs of all the children are measured. Does early exposure to school affect IQ? Run the appropriate descriptive statistics and the appropriate inferential test. Evaluate at = .05 two-tailed and report results in APA format.