This paper presents the results of an experiment conducted to assess the affects of teaching recursion in two disjoint, non-consecutive units of instruction. One group of students was taught basic and advanced recursion topics in four consecutive class periods, while a second group was taught recursion in two two-period blocks that were separated…

This book investigates school schedules by examining the use of time at the middle level and discussing strategies that schools may use to provide greater flexibility to the school day. Eleven specific scheduling models are presented and described. Complementing the models is a discussion of the factors that propel a school's investigation of…

Asserts that longer class periods must be approached and planned in a completely different manner than shorter periods. A 90-minute period requires a higher degree of teacher preparation and a critical focus on objectives and planning. Includes a summary of questions, predictions, and findings from teachers. (MJP)

Describes an observational study conducted to determine critical areas of school effectiveness. Notes that quality middle-level education has the components of educational empowerment and involvement and teacher techniques that focus on developmentally appropriate strategies, block scheduling rather than one-period scheduling, and ability grouping…