But they report a four to eight times improvement in performance.
Of those, 81 percent reported continued improvement a year or more later.
Still, many parents who have tried the diet reported an improvement in their child's behavior.
But by three to six months, patients in both groups reported marked improvement.
Some patients reported small improvements in appetite, pain, and weight, but they did not last.
Based on their own reports three months later, nine of the patients reported lasting improvement.
Thus, if 100% of the panel reported an improvement the index would be 100.0.
Other teachers reported similar improvements after moving to the Welsh board.
Iberia reported an improvement of more than $75 million over 1985.