The present study explores how in-service secondary education Greek biology teachers understand aspects of the concept of ecosystem under the assumption that the ecosystem is an ill-defined concept. If it is to be considered a holistic entity, the ecosystem acquires its definitional features within the ecological field of systems ecology, which…

The National Assessment Governing Board has a legislatively mandated responsibility to develop National Assessment of Educational Progress (NAEP) achievement levels. The Board Policy Statement on Developing Student Achievement Levels for the National Assessment of Educational Progress provides policy definitions of "NAEP Basic,"…

This paper explores the dimensions of knowledge and the ways of thinking (procedural or proceptual thinking) adopted by 157 Lebanese students in different grades when defining and identifying irrational numbers when locating them on the number line. It searches for a relation between the performance of the participants and their different grades.…

Education Commission of the States has researched how states use college-readiness assessments to make the most of the 12th-grade year in all states. This interactive resource provides links to the 50-state comparisons showing how all states approach specific 12th-grade transitions policies: (1) Determinations; (2) Intervention; (3) Acceleration;…

This study aims to understand Chilean parents' and adolescents' conceptions of autonomy and whether they hold different expectations for autonomous behaviors by generation and socioeconomic level. A qualitative approach to data collection was used through separate focus groups of parents and adolescents from different socioeconomic condition.…

Due to the growing importance of technology and engineering in the educational landscape, and to support America's ability to contribute to and compete in a global economy, the National Assessment Governing Board (NAGB) initiated development of the first NAEP Technology and Engineering Literacy (TEL) Assessment. Relating to national efforts in…

Nearly all high school seniors plan college, but many low-income students do not enroll. Moreover, among students who do enroll, low-income students often pursue less dependable college pathways. While research typically focuses on college cost and academic preparation as explanations of socioeconomic differences in enrollment outcomes, other…

The 1972 publication of the Marland Report by the U.S. Commissioner of Education proposed a multifaceted definition of gifted and talented education, enhancing what traditionally had been a focus on academics. Leadership materialized as a component of giftedness, along with general intellectual ability, specific academic aptitude, creative or…

As part of compliance with with the federal No Child Left Behind Act, this document presents the State Report Card of Arizona for 2009-2010. The report card provides tables relating to percentage of students who passed AIMS in Arizona by subject and grade. The tables shown in this document include: (1) Mathematics Grade 3; (2) Reading Grade 3; (3)…

This article deals with 12th-grade students' conceptions of a mathematical definition. Their conceptions of a definition were revealed through individual and group activities in which they were asked to consider a number of possible definitions of four mathematical concepts: two geometric and two analytic. Data consisted of written responses to…

The 2012 edition of the "Digest of Education Statistics" is the 48th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…

The 2011 edition of the "Digest of Education Statistics" is the 47th in a series of publications initiated in 1962. The "Digest" has been issued annually except for combined editions for the years 1977-78, 1983-84, and 1985-86. Its primary purpose is to provide a compilation of statistical information covering the broad field…