Generalizability theory was applied to the Matching Familiar Figures Test (MFF), an instrument commonly employed to assess reflection-impulsivity in children, in order to analyze the dependability of the MFF at four grade levels: second, third, fourth, and fifth. The MFF was individually administered to 114 boys. A completely crossed, two-facet…

Two techniques were used to modify an impulsive conceptual tempo on a visual discrimination task. The subjects were 42 first grade white children who had previously been classified as impulsive or near-impulsive on the Matching Familiar Figures Test given to 82 children. These subjects, who had scored above the median on errors and below the…