The No Child Left Behind (NCLB) Act requires states to measure the adequate yearly progress (AYP) of each public school and local educational agency (LEA) and to hold schools and LEAs accountable for failing to make AYP. Although it is required that science be assessed in at least three grades, the achievement results from science examinations are…

National assessments and other investigations have drawn attention to the fact that there is considerable room for improvement in science teaching and learning. This article describes, exemplifies, and discusses a research program set up to address this unsatisfactory state of affairs. Briefly, the idea of the program is that researchers in…

Replicated a study to determine if a sex difference in spatial visualization ability exists among grade six students verging on adolescence and if instruction differentially affects boys/girls at this age. Although instruction significantly affected boys/girls in grades seven to eight, current results do not support the same interaction among…