This paper reports the results of a longitudinal study of the relationship between affect and achievement in high school science. The conceptual model for science-related affect proposes that students' enjoyment in, and enthusiasm for science are determined by their perceptions of their past performance in science, their expected future…

This report examines the effects of both student and school characteristics on mathematics and science achievement levels in the third, seventh, and eleventh grades using data from the 1985-86 National Assessment of Educational Progress (NAEP). Analyses feature hierarchical linear models (HLM), a regression-like statistical technique that…