Phoebe is in grade 8 and is 13 years, 6 months old. Nancy is also in grade 8 and is 13 years, 7 months old. Trina is in grade 9 and is 13 years, 8 months old. Research would indicate that

Question

Quizplus · Accepted Answer

IQ scores are more likely to be similar among individuals of the same grade level, so Nancy's IQ score is expected to be closer to Phoebe's, who is in the same grade, than to Trina's, who is in a different grade.

Phoebe Is in Grade 8 and Is 13 Years, 6