This article discusses the five studies included in this issue. Each article addressed the same topic, population invariance of equating. They all used data from major standardized testing programs, and they all used essentially the same statistics to evaluate their results, namely, the root mean square difference and root expected mean square…

The main purpose of this study was to investigate the effects of a case study approach on students' achievement and attitudes towards viruses, bacteria, fungi, and protista. Fifth-grade students (N = 88) from two different classes were involved in the study. One intact class was assigned as the experimental group, whereas the other intact class…

Our 5-year professional development intervention is designed to promote elementary teachers' knowledge, beliefs, and practices in teaching science, along with English language and mathematics for English Language Learning (ELL) students in urban schools. In this study, we used an end-of-year questionnaire as a primary data source to seek teachers'…

It is widely accepted that inquiry-based curriculum programs have positive effects on cognitive achievement, process skills, and attitudes toward science (NRC 2000). Science teachers seek engaging, effective, and inquiry-based activities that are standards-aligned and convenient to implement in their classrooms. For many years, the web has…

This article reports on reactions to the U.S. Department of Education's first time decision to sit out an international study designed to show how advanced high school students around the world measure up in math and science. Mark S. Schneider, the commissioner of the department's National Center for Education Statistics, which normally takes the…

This report shows how well educators across the United States have increased access to the types of rich academic experiences that prepare students for success in college. By combining national, state and AP (Advanced Placement) data, this report provides educators and policymakers with information they can use to celebrate their successes,…

The Organisation for Economic Cooperation and Development's (OECD's) Programme for International Student Assessment (PISA) surveys, which take place every three years, have been designed to collect information about 15-year-old students in participating countries. PISA examines how well students are prepared to meet the challenges of the future,…

The study was conducted to determine whether there is a relationship between the Coordinated School Health Program (CSHP) and student academic performance. Data were collected from schools and the community for three reports for 50 states and the District of Columbia (DC). The School Health Policies and Programs Survey (SHPPS), the National…

The present longitudinal study employed two distinctive approaches (variable-oriented and person-oriented) to examine low-income children's academic and social functioning across the important transition from pre-k to first grade. Participants included 152 former urban Head Start children. Variable-oriented and person-oriented approaches were…

This study has three major purposes, including designing mobile natural-science learning activities that rest on the 5E Learning Cycle, examining the effects of these learning activities on students' performances of learning aquatic plants, and exploring students' perceptions toward these learning activities. A case-study method is utilized and…

The Seventh School Curriculum Reform in Korea was introduced in 2000 to prepare school-aged Koreans for an information and knowledge-based society. The reform effort emphasises information and communication technology (ICT) in the K-12 curriculum and a learner-centred pedagogy. This study examines the contributions of ICT, specifically,…

This study compares overall laboratory averages and individual test scores along with a student survey to determine the effects of using virtual microscopy in place of optical microscopes in a large undergraduate human anatomy course. T-tests revealed that the first two laboratory examinations (of four) and the overall laboratory averages were…

One of the ultimate goals of policy makers is to enable citizens to take advantage of a globalised world economy. This is leading them to focus on the improvement of education policies, ensuring the quality of service provision, a more equitable distribution of learning opportunities and stronger incentives for greater efficiency in schooling.…

There is evidence that student beliefs about science and classroom instructional strategies are related to achievement outcomes. This study was designed to examine relationships between student beliefs about science, instructional activities, and science achievement of elementary-school students in Japan. Students included in this analysis were…

Four historically Black colleges and universities (HBCUs), Howard University, Jackson State University, Talladega College, and Xavier University of Louisiana, participated in a project titled, Learning Communities for STEM Academic Achievement (LCSAA), whose goal was to increase the participation of African American students in the fields of…