Students from 15 intact classes in grades 6 and 7 (N=142) from suburban schools in Perth, Australia, were used to investigate their time on task and achievement in process-oriented lessons. One finding noted is a positive relationship between achievement and student reasoning ability and engagement in planning and collecting tasks. (JN)

Determined that the majority of 299 preservice teachers did not use formal reasoning patterns when they attempted to solve a variety of problems. Results obtained for controlling variables and for proportional, probabilistic, correlational, and combinatorial reasoning are discussed with implications for middle/junior high school science teaching.…