Achievement effects as measured by the Stanford Achievement Test 9 were estimated for students in grades 1-11 that participated in America's Choice, Co-nect, Different Ways of Knowing, Success for All (SFA), and Urban Learning Centers comprehensive school reform (CSR) designs implemented in Los Angeles Unified School District between 1999 and…

This dissertation report describes a 3-year study which compared the effectiveness of full-day kindergarten sessions (the experimental condition) and half-day sessions (the control condition) in promoting academic achievement. A group of 20 5-year-olds was assigned to each condition; each group contained equal numbers of culturally disadvantaged,…

The purpose of this study was to develop and evaluate an instructional model which utilized the computer to produce individually prescribed instructional guides in physics at the secondary school level. The sample consisted of three classes. Of these, two were randomly selected to serve as the treatment groups, e.g., individualized instruction and…

For this study, nine mental factors were selected from Guilford's structure of intellect model, and eight interest factors identified from a factor analysis of the Thinking Interest Survey. These factors were then treated as dependent variables in the assessment of two methods of teaching algebra to 244 college students. Students were assigned to…