The present study introduces and demonstrates a new methodology for item and test bias studies: "moderated differential item functioning (DIF)." This technique expands the DIF methodology to incorporate contextual and sociological variables as moderating or mediating effects of the DIF. Specifically, this paper explores differential…

Patterns of consumption and production are not sustainable in developed/developing countries. In developed countries, the levels of pollution, especially those causing global change, are far too high and trends go in the wrong direction. In developing countries, there is too much strain on the local resource base, and this strain is increasing due…

The present study tried to find out whether Saudi history textbooks for grades 4-12 contain global themes, in which grade levels global themes are introduced, the percentage of global themes, local history themes and Islamic history themes, and which global history themes are taught. A checklist of global history themes was developed. Those are:…

US majority (European-American) and minority (African-American, Latin-American, Asian-American) children were interviewed regarding race-based and non-race based reasons for exclusion in interracial peer contexts (N = 685), evenly divided by gender at 9, 12, and 15 years of age (4th, 7th, and 10th grades) attending 13 US public schools. All…

In April 2002, Jeffrey Fouts (2002) presented a longitudinal study of student performance in Washington using Washington Assessment of Student Learning (WASL) results from 1998 to 2001. Although constrained by the lack of individual student identification numbers at that time, he concluded that success on the WASL in the 4th grade was a strong…

WebQuests are a powerful teaching and learning device that have developed rapidly in recent years, especially in the Humanities. In Australia, the use of WebQuests in Science has become popular. The multimedia product of students' investigations can be shared with a variety of audiences. In this article, I will explain what I understand to be a…

Research indicates that thoughtful technology use can positively influence learning process inside and outside the classroom, and one-to-one computing has been gaining popularity. Although some view such initiatives as passing, others look at the mounting research and see opportunities to reshape the nature of instruction and learning. This brief…

Findings from a survey administered to large numbers of grade 7-10 students are presented in this paper. The focus is on the students' attitudes towards the use of computers for the learning of mathematics. Background information was also gathered which allowed the students' responses to be analysed by a range of equity factors--gender, ethnicity,…

Over a period of about 3 years, 3204 students in Grades 4 to 10 completed 9862 tests to identify and track their interpretation of decimal notation. Analysis of the longitudinal data demonstrates that different misconceptions persist among students to different degrees and in different patterns across the grades. Estimating the prevalence of…

The e-rater® system has been used by ETS for automated essay scoring since 1999. This paper describes a new version of e-rater (v.2.0) that differs from the previous one (v.1.3) with regard to the feature set and model building approach. The paper describes the new version, compares the new and previous versions in terms of performance, and…

The objective of this study was to evaluate the impact of a revised state-of-the-art drug prevention program, Project ALERT, on risk factors for drug use in mostly rural midwestern schools and communities. Fifty-five middle schools from South Dakota were randomly assigned to treatment or control conditions. Treatment-group students received 11…

The opportunity and right to obtain a free public education provides the opportunity for all Americans to achieve success socially, financially, and professionally. The public education system has endured decades of changes as it attempts to address social, cultural, and academic issues that arise as the nation evolves. The public education system…

This study examines the relationships between student literacy performance and discussion-based approaches to the development of understanding in 64 middle and high school English classrooms. A series of hierarchical linear models indicated that discussion-based approaches were significantly related to spring performance, controlling for fall…

The current investigation was an exploration of the first year of a multi-year project designed to provide every Grade 3 to Grade 11 student throughout an English school board in Quebec with a laptop computer. Data were collected from 403 elementary and 270 secondary students from the experimental school board and also from 330 students in the…