Clear verbal communication is a key skill for the modern scientist. In this article we describe two model science courses, one given to a small class and the other to a large class, in which verbal communication is emphasized as a key learning objective. Both courses use a form of problem-based learning (PBL) with an end point that involves…

This study estimated reading achievement gaps in different ethnic, gender, and socioeconomic groups of 1st graders in the U.S. compared with specific reference groups and identified statistically significant correlates and moderators of early reading achievement. A subset of 2,296 students nested in 184 schools from the Early Childhood…

Data sharing among multiple lab sections increases statistical power of data analyses and informs student-generated hypotheses. We describe how to collect, organize, and manage data to support replicate and rolling inquiry models, with three illustrative examples of activities from a population-level biology course for science majors. (Contains 1…

This study examined how 16 Black, Latina, and American Indian women science students reacted to their undergraduate science classes. I focused on the meanings they made of the common features of university science documented by Seymour and Hewitt (1997), including large, competitive, fast-paced classes, poor teaching, and an unsupportive culture.…

This report analyzes the relationship of Advanced Placement Program® (AP®) teacher practices and student performance on AP Biology and AP U.S. History Exams. Using a national survey of AP teachers, the study developed four models for each subject with public school teachers only and both public and nonpublic school teachers, using two standards of…

The future of Greece's well-being will depend on improving educational performance to boost productivity and improve social outcomes. In the current economic context, with the need to get best value for spending, Greece must and can address inefficiencies in its education system. The challenges are significant. For example, Greece lags behind many…

The Annual Condition of Education Report provides a wide range of state-level data, including shifts in student populations and demographics, teacher salaries and characteristics, student achievement results, and school financial information. A few examples of the categories presented in this 22nd edition report include: (1) Enrollment; (2) Early…

As part of its work for the Citizens' Commission on Planning for Enrollment Growth, the Institute for Urban and Minority Education (IUME) conducted research to assess the impact of overcrowding on the students of New York City schools. All five of the City's boroughs have experienced recent enrollment growth that has been closely linked to…

The search for the best educational environment, especially in terms of class size, is an important educational issue for parents, teachers, administrators, and government officials. Parents and educators argue that smaller class size leads to more effective teaching and improved learning for students. Government officials argue that substantial…

This study investigated students with specific learning disabilities (SLD), serious emotional disturbances (SED), and educable mental retardation (EMR) to determine if class size and class mix influence educational outcomes. A total of 110 students in 12 classrooms were included in the sample, which included classes with waivers (classes out of…

This study represents a continuation of research efforts to further refine the Attitudes & Beliefs on Classroom Control (ABCC) Inventory. Formerly titled the Inventory of Classroom Management Style, the ABCC is an instrument designed to measure teachers' perceptions of their classroom management beliefs and practices. It is based on a…

A study of large group language instruction in Nigeria draws on experiences of 33 teachers providing remedial English second language instruction in Nigerian universities. The report presents: teacher experiences and perceptions of class size (often over 100); a questionnaire used to investigate practices in and attitudes toward large classes;…

A study investigated the relative effect of 45-minute and 90-minute daily instruction in English as a Second Language (ESL) on limited English proficient (LEP) first-graders' language and overall achievement. The subjects were two groups of pupils from different schools: (1) 13 pupils from 7 language backgrounds, receiving 45 minutes of…

A literature search and survey of 259 Ohio State University faculty addressed advantages and disadvantages of large enrollment classes as well as factors in deciding appropriate class size. Results of both efforts found that the advantages of large classes included lowering of instructor costs, efficient use of faculty time and faculty talent,…

This report describes methodological problems encountered in categorizing or coding responses to a questionnaire. The survey in question was designed to investigate the problems encountered by language teachers in two African countries in teaching large classes. The key analysis was of the responses to two survey items: "Large classes make it…