The relationship between Type A behavior and hyperactivity in children as measured by the Conner's Hyperactivity and Myth-0 Scales

An examination of Type A behavior in children as measured by the Matthews Youth Test for Health (MYTH-0) and hyperactivity as measured by the Conners Teacher Rating Scale revealed a significant relationship between the 2 scales. Participants were drawn from a total sample of 199 first, second, and third grade children obtained through classroom-distributed questionnaires. Significant differences on MYTH-0 scores between children of Type A and Type B mothers, and between males and females were eliminated when variance attributed to hyperactivity was covaried out of the analyses. Results are discussed in terms of potential overlap between hyperactivity and Type A constructs as they are often measured.