I see what you are saying. Your DS' first test was more accurate but the tester was trying to get his practical IQ in a non-ideal environment. I do agree that a stable child may simply look variable. However, I also think that while a broad IQ range may most often be stable, there is at least some fluctuations in IQ for most individuals. While your choice may not have been the best in terms of IQ, it is also possible that a failure to focus on the social aspects would have created other impediments to maintenance of IQ. I am right there with you on the loss of IQ points with time!
