The above details were taken from Harrison (1995) pp 24 & 33, with Harrison attributing her information to Hall, EG & Skinner, N (1980) Somewhere to turn: strategies for parents of the gifted and talented children. New York: Teachers College Press.
It is in the cognitive and social areas of giftedness that some of these milestones are often more difficult to assess.
For those who, like me, find that they’re writing about babies/toddlers/kids and need some guidance.
FantasyBoudicca 