posted by Chloe on .
Which one of the following statements about intelligence is the most accurate?
IQ is a valid measurement, and environmental factors do not change mental ability.
Intelligence is mostly genetic, has the most variability between groups, and is reliable regardless of the environment.
Intelligence is partially genetic, can be influenced by environmental factors, and has the most variability within groups.
Intelligence is different between groups because of genetics.
I think the answer is C but is not sure...please help