A study of the effectiveness of several sequences of science courses in secondary schools

The problem. The purpose of this study was to determine the effect of training in a given area of science on achievement in other areas of science. Specifically, the purpose was fourfold, namely, in high school sciences, to determine the effect of training in (1) general science on achievement in chemistry; (2) biology on achievement in chemistry; (3) phsyics on achievement in chemistry; (4) chemistry on achievement in physics. [...]