Investigated whether attitudes toward school mathematics on mathematical achievement differed between low and high intelligence eighth-grade students in three Japanese schools (N=808). Results indicate that the attitude of low intelligence students is more important and it affects more in magnitude than that of high intelligence students. (JN)

Reviews data from the "High School and Beyond" study to examine sibling intellectual symmetry and the degree to which family background affects the siblings' intellectual ability. Finds considerable symmetry in intellectual skills. Discovers little impact on symmetry from gender or birth order. (CFR)

Down Syndrome children (N=229), aged 1-83 months, from Australia, Canada, and Germany were tested using the Bayley Scales of Infant Development. Test performances on the Bayley's Mental and Motor scales were not dissimilar, leading to the conclusion that young Down Syndrome children from different countries with relatively comparable standards of…