Evaluated was the effectiveness of the materials of one book, "Charting the Universe," of the six books that comprise the University of Illinois Elementary Science Project. Five hypotheses were tested, including one related to students' general understanding of science, and another related to students' views of astronomy, arithmetic,…

The purpose of this study was to compare a factual method of teaching introductory college astronomy with a conceptual method. Two sections of about 100 students each were taught from the same textbook, but had the same information presented by different techniques and with different emphasis. The control group was taught in a generally factual…