This longitudinal quantitative study compared literacy achievement of students from second through sixth grade based on two organizational systems: graded (traditional) and nongraded (multiage) classrooms. The California Standards Test (CST) scaled and proficiency scores for English-Language Arts (ELA) were used as the study's independent variable…

Describes and assesses the effectiveness of a staff development program for Dutch teachers in mixed-age classes as it relates to areas of classroom management, instruction, and pupils' on-task behavior. Results of the quasi-experimental, treatment-control group investigation showed that the training program was an effective staff development tool.…

This paper describes the long-term effects of a staff-development program, "Dealing with Multi-Grade Classes," based on selected findings from teaching-effectiveness research in schools with multi-grade or mixed-age classes. The short-term effects were examined in two studies conducted in 1986-87 and 1989-90. In 1992 a follow-up study…

A quasi-experimental, treatment-control group investigation was designed to test the effects on Dutch primary school teachers of the staff development program "Dealing with Mixed-Age Classes." Research findings from mixed-age classes, effective teaching, and classroom management and organization were translated into teaching behaviors.…

This paper presents the results of a school improvement study (main field test) directed at schools with mixed-age classes in the context of inservice teacher education. A quasi-experimental treatment control group investigation was designed to test the effects of the staff development program "Dealing with Mixed-age Classes," and the…