This dissertation explores the use of geometric and graphical models for a variety of information search and filtering applications. These models serve to provide an intuitive understanding of the problem domains and as well as computational efficiencies to our solution approaches. We begin by considering a search and rescue scenario where both…

This paper presents some of the major issues raised in Education International's preliminary analysis of the overall PISA (Programme for International Student Assessment) 2009 study. Some of these issues are: (1) PISA has serious limitations. The study does not cover the full curriculum, focusing on a narrow set of subject areas, neglecting such…

Curriculum-based measurement (CBM) is designed to measure students' academic status and growth so the effectiveness of instruction may be evaluated. In the most popular forms of reading CBM, the student's oral reading fluency is assessed. This behavior is difficult to sample in a computer-based format, a limitation that may be a function of the…

The purpose of this study was to investigate the effectiveness of Teacher Advisory Center (TAC) tutors in curriculum implementation of secondary schools in Chepalungu District. The study aimed at determining ways in which TAC tutors, participate in implementation of secondary school curriculum and to establish whether teachers in secondary schools…

According to the "acting White" hypothesis, African American students who do well in school are negatively sanctioned by their peers, leading them to withdraw future academic engagement. No study to date has tested the entire causal process posited by the hypothesis. This article uses the Education Longitudinal Study of 2002, nationally…

In this article the authors analyze the effect of private voucher education on student academic performance using new data on Chilean students and a novel identification strategy. Most schools in Chile provide either primary or secondary education. The authors analyze the effect of private voucher education on students who are forced to enroll at…

The current study investigated the stability of peer victimization and the impact of the timing and duration of victimization on psychological and academic outcomes for boys and girls on a sample of 863 middle school students. Results demonstrated strong support for the onset hypothesis and concurrent effects of maladjustment in anxiety,…

Classroom assessment techniques (CATs) are teaching strategies that provide formative assessments of student learning. It has been argued that the use of CATs enhances and improves student learning. Although the various types of CATs have been extensively documented and qualitatively studied, there appears to be little quantitative research…

This study examines the impact of high-stakes, large-scale, standardized literacy testing on youth who have failed the Ontario Secondary School Literacy Test. Interviews with youth indicate that the unintended impact of high-stakes testing is more problematic than policy makers and educators may realize. In contrast to literacy policy's aims to…

Few researchers have addressed student achievement outcomes as a function of grade configurations for older elementary-aged students. Thus, this study was designed to determine differences between students' Grade 5 reading and mathematics achievement in elementary schools (K-5) as compared to intermediate schools (Grade 5, 5-6) for 5 academic…

Objective: To explore the sexual and reproductive health behaviors of students from 13 community college campuses in California. Participants: Heterosexual college students, ages 18 to 24, who have had sexual intercourse (N = 4,487). Methods: The American College Health Association's National College Health Assessment (ACHA-NCHA) survey was…

This article draws upon expected retirement age cohorts as a main determinant to financial planning preparation in Malaysia. The return rate was 55% from 600 questionnaires distributed. Five hypotheses were analyzed using hierarchical and stepwise regression analysis. The results revealed that expected retirement age cohort variables made…

The authors investigated whether the curricular structure of an economics course (semester, trimester, or compressed block schedule) has an effect on an undergraduate's subsequent retention of course material, while controlling for other relevant differences. They tested separately for theoretical or process comprehension and for graphical…

This study examined 1 tool for evaluating Head Start teachers' knowledge about early language and literacy. Results indicated that teachers varied in their knowledge. Teachers with more knowledge had more education, as did teachers who received language and literacy professional development. Teachers with greater knowledge also demonstrated higher…

This paper describes a case study focusing on the subject matter knowledge, pedagogical content knowledge, and beliefs about science teaching of student teachers in Turkey at the start of their university education. The topic of interest was that of teaching chemical reactions in secondary chemistry education. A written test was developed which…