Investigates several aspects of undergraduate students' rules for projectile motion including general patterns; rules for questions about time, distance, solids and liquids; and changes in rules when asked to ignore air resistance. Reports approach differences by sex and high school physics experience, and that novice rules are situation…

The relationship between concept mapping and comprehension was investigated in conjunction with science instructional laboratories. Measured were student skills and aptitudes applying aptitude treatment interaction procedures to investigate interactions between a concept mapping treatment and student aptitudes. (KR)