In case this may be of assistance to your friend, here is a link to a brief roundup of links describing common behavior characteristics, traits, and early milestones which may indicate giftedness in infants, toddlers, preschoolers, young children. (This list may be especially useful before IQ test scores tend to stabilize, around 8 years old.)

http://giftedissues.davidsongifted....p_of_traits_is_my_baby_o.html#Post248478