The What Works Clearinghouse (WWC) evaluates research studies that look at the effectiveness of education programs, products, practices, and policies, which the WWC calls "interventions." Many studies of education interventions make claims about impacts on students' outcomes. Some studies have designs that enable readers to make causal…

The What Works Clearinghouse (WWC) Standards Briefs explain the rules the WWC uses to evaluate the quality of studies for practitioners, researchers, and policymakers. Attrition (loss of sample) occurs when individuals initially included in a study are not included in the final study analysis. Attrition is a common issue in education research and…

Community colleges serve more students than any other institutional type in the United States, and internationalization is an inherent component of community colleges that advances student knowledge, facilitates student success, and serves the needs of local communities. As most community college students do not enroll in four-year institutions,…

Reading Improvement Through Art (RITA) program is an interdisciplinary approach to literacy that blends visual art with reading comprehension, evaluated in nine New York City urban high schools. 240 problem readers participating in the pilot program were pre- and post-tested in the Fall 1975 and Spring 1976 semesters. The testing showed the 9th…

The "2011 State Preschool Yearbook" is the newest edition of our annual report profiling state-funded prekindergarten programs in the United States. This latest "Yearbook" presents data on state-funded prekindergarten during the 2010-2011 school year as well as documenting a decade of progress since the first…

The "2010 State Preschool Yearbook" is the eighth in a series of annual reports profiling state-funded prekindergarten programs in the United States. This latest Yearbook presents data on state-funded prekindergarten during the 2009-2010 school year. The first report in this series focused on programs for the 2001-2002 school year and…

The "2009 State Preschool Yearbook" is the seventh in a series of annual reports profiling state-funded prekindergarten programs in the United States. This latest Yearbook presents data on state-funded prekindergarten during the 2008-2009 school year. The first report in this series focused on programs for the 2001-2002 school year and…

This report examines a Massachusetts pilot program for quarterly benchmark exams in middle-school mathematics, finding that program schools do not show greater gains in student achievement after a year. But that finding might reflect limited data rather than ineffective benchmark assessments. Benchmark assessments are used in many districts…

Attempts to make some sense of the Byzantine matrix of governing agencies, accreditation boards, and the objectives and goals of teacher education programs in England. Significant ideological differences exist between the academic accrediting boards and the governing agencies. Discusses the implications of this for higher education and educational…

Florida state legislation has mandated the evaluation of its compensatory education programs. The Florida Accountability Act of 1976 called for minimum basic skills testing in grades 3, 5, 8, and 11 (subsequently amended to grade 10). In 1977, the Florida Compensatory Education Act mandated remedial programs for students performing below the…

Teacher and administrator responses to the Connecticut School Interview, conducted as part of the Spencerport (New York) More Effective Schools/Teaching Project, indicate that there are a number of correlates which can be considered areas of strength, and that steady improvement has occurred in installing correlates in each building and in…

This document suggests the following eight model indicators of quality in adult education programs: (1) learners demonstrate progress toward attainment of basic skills and competencies that support their educational needs; (2) learners advance in the program or complete program requirements that allow them to continue their education or training;…

Nine years after the National Science Education Standards' release, just how well do science teachers in grades 5 to 8 actually use them to plan content, define improved teaching, and assess real learning? Find out the answers to these key questions in this groundbreaking collection of 15 essays by teachers, researchers, and professors whose…

The process of determining the effectiveness of developmental programs in two-year colleges was the focus of this study. It was limited to New York State, and designed in response to a request for proposals issued by Bureau of Grants Administration, New York State Education Department. The need for systematic review of developmental programs and…

Discusses current issues in measuring library effectiveness, including rapid technological changes and increasing obsolescence in librarians' competencies; increased pressure for accountability; tools to help libraries become what they determine they should be rather than conforming to national standards; and how to determine the validity and…