Linear models are frequently inappropriately applied to various situations. When misapplied, linearity is traditionally referred to as a tendency, a misconception, or an error. Cognitive linguistic, situated cognition, and sociocultural or cultural-historical activity theory, on the other hand, suggest that linear models are adopted by learners…

While genetics has remained as one key topic in school science, it continues to be conceptually and linguistically difficult for students with the concomitant debates as to what should be taught in the age of biotechnology. This article documents the development and implementation of a two-tier multiple-choice instrument for diagnosing grades 10…

This study examines the extent of developmental education participation among Oregon high school graduates students who attend community college and the relationship between high school experiences and subsequent developmental education course-taking. An analysis of state and national data from more than 101,000 Oregon public high school graduates…

Title I, Part A and Title II, Part A funds are provided to Houston Independent School District (HISD) through the 2002 reauthorization of the Elementary and Secondary Education Act of 1965 (ESEA), also known as the No Child Left Behind Act of 2001 (NCLB). Both funds focus on enhancing student achievement, Title I, Part A through providing…

The authors tested whether students can be taught to better understand conventional representations in diagrams, photographs, and other visual representations in science textbooks. The authors developed a teacher-delivered, workbook-and-discussion-based classroom instructional method called Conventions of Diagrams (COD). The authors trained 1…

Improving the long-term life outcomes of disadvantaged youth remains a top policy priority in the United States, although identifying successful interventions for adolescents--particularly males--has proven challenging. This paper reports results from a large randomized controlled trial of an intervention for disadvantaged male youth grades 7-10…

This report examines how performance standards in reading and math on PLAN[R], the organization's college and career readiness assessment for 10th graders, compare to performance on the Programme for International Student Assessment (PISA), a worldwide assessment of 15-year-old students' academic achievement. The results show that the performance…

This study provided an analysis of Hispanic 10th grade student academic achievement in the areas of mathematics, reading and writing as measured by the Arizona's Instrument to Measure Standards. The study is based on data of 163 school districts and 25,103 (95%) students in the state of Arizona as published by the Arizona Department of Education.…

To address concerns about low graduation rates and a lack of workforce readiness, states and districts have been experimenting with different models of high school reform. One of the most popular models has been the Early College High School (ECHS) model, small schools that blur the line between high school and college. Since 2002, over 200 ECHSs…

Using ethnographic fieldwork conducted in a public high school located in the greater Barcelona area, Anne Rios-Rojas focuses on the experiences of immigrant youth as they negotiate a sense of belonging in an ever more globalized society. Rios-Rojas pays particular attention to the multiple and at times contradictory ways in which youth maneuver…

This article describes the use of fractal simulations of African design in a high school computing class. Fractal patterns--repetitions of shape at multiple scales--are a common feature in many aspects of African design. In African architecture we often see circular houses grouped in circular complexes, or rectangular houses in rectangular…

This study was designed to explore the effects of problem-based learning (PBL) strategies on the attitudes of female senior high school students toward integrated knowledge learning in science, technology, engineering, and mathematics (STEM). Content analysis and focus group methods were adopted as the research processes. Data and information…

For the forty-third time, the Association for Educational Communications and Technology (AECT) is sponsoring the publication of these Proceedings. Papers published in this volume were presented online during the annual AECT Convention. Volume 1 contains 37 papers dealing primarily with research and development topics. Papers dealing with the…

The textbook holds the potential to serve as an instructional resource, to provide directives on how to effectively teach reading comprehension strategies. In this capacity, the textbook becomes a tool in the teacher's toolkit. With this tool in hand, teachers may be better prepared to face their mission--to improve adolescents' literacy. This…

Recitations and discussions are two types of interactions which have long been of interest to researchers who study classroom discourse in secondary English and Social Studies. According to research, teachers control the discourse during recitations through "inauthentic" questions requiring pre-specified answers. In contrast, discussions involve…