A 16-week study to investigate the effects that two methods of teaching writing had on writing apprehension and on overall quality and length of student writing involved over 100 college freshmen enrolled in English Composition classes. Except for the methods of writing instruction, both control and experimental group conditions were held…

This study examined the development of the rational number concept as a ratio. Preliminary to the description of the study is an introduction discussing constructivism and equilibration. The study itself tests whether equilibration theory holds, and if so, what is the nature of its "phases" and whether these are found at each of the "periods" of…