RESULTS	Based on the analysis of covariance models adjusted for the baseline rating scores , parents ( but not teachers ) provided a higher average rating of social skills on the BASC for the children in the placebo group compared to the DHA group ( P = 0.04 ) , and teachers ( but not parents ) provided a higher average rating of functional communication on the BASC for the children in the DHA group compared to the placebo group ( P = 0.02 ) .\