The purpose of this study was to investigate the extent to which professional development predicts principals' instructional leadership in order to identify whether a relationship exists between the duration of principals' participation in distinct professional development activities and their perceived practice of instructional leadership while…

In a comparison of mathematical abilities of boys and girls, after allowing for school effects, boys are seen to excel on problems involving scale or measurement, probability, and space-time relationships. Possible explanations for the observed differences are made. (Author/AV)

Described is a study which measures the relationship between favorable teacher attitudes, positive self-perceptions, and the academic performance of pupils. Findings indicate that female teachers under 27 years and male teachers 27 and over were less favorable in their attitudes towards education than older female and younger male teachers.…