That's our oldest dd to a tee, too. Her scores that ranged from the 25th to 99.9th were on the same subtest and supposedly measured similar skills, but one of them was on a timed test where her anxiety was fairly high. Your descriptor of her watching until she can do it right made me smile. That's my dd, as well. She didn't walk until 15.5 months, never cruised around furniture, nothing. I thought that she would never walk until one day she stood up in the middle of the floor and walked all the way across the room.

Study Strategies for Accelerated Learners