Cochrane reviews are known to be a high-quality source of evidence synthesis supporting health care decisions. In a recently conducted study, we analyzed the trends in epidemiology and reporting of published systematic reviews over the last 20 years. This sample of 1132 systematic reviews included 84 Cochrane reviews. We have learned several…

The relationship between emotion and language in children is an emerging field of research. To carry out this type of study, researchers need to precisely manipulate the emotional parameters of the words in their experimental material. However, the number of affective norms for words in this population is still limited. To fill this gap, the…

The article discusses the use of various institutions of scientific imperialism, including the institution of publishing academic articles in English, the institution of standardizing how research should be reported, and the institution of indexing of articles in two global databases. We show that the establishment of institutions of scientific…

The purpose of the article is to summarize evidence and recommendations for psychological interventions in the rehabilitation of patients with chronic low back pain. We carried out a systematic literature search in several databases and on the websites of professional associations to identify relevant reviews and guidelines. In addition to the…

With a starting point in John Abela's groundbreaking developmental psychopathology research on adolescent depression in China, we aimed to review the state of the literature on Chinese depression across the lifespan. We began with Dr. Abela's published studies relevant to depression in China and our own research with adults before turning to the…

Although it is commonly believed that women are kinder and more cooperative than men, there is conflicting evidence for this assertion. Current theories of sex differences in social behavior suggest that it may be useful to examine in what situations men and women are likely to differ in cooperation. Here, we derive predictions from both…

This article presents a report on expanded-time (ET) schools in America produced by the National Center on Time & Learning (NCTL), with the support of the William and Flora Hewlett Foundation. Extracting and analyzing information from NCTL's database of 655 schools, this report describes trends emerging among these schools, including issues…

Delay discounting (DD), the tendency to prefer smaller, sooner rewards to larger, later ones, is an important indicator of self-control. Assessments of DD superficially require individuals to make choices based on motivational processes. However, several lines of evidence suggest that DD may be systematically related to cognitive ability. We…

The "PISA 2009 Technical Report" describes the methodology underlying the PISA 2009 survey. It examines additional features related to the implementation of the project at a level of detail that allows researchers to understand and replicate its analyses. The reader will find a wealth of information on the test and sample design,…

The International Association for the Evaluation of Educational Achievement (IEA) has been conducting comparative studies for 50 years. SITES 2006 is the fifth wave of surveys related to information and communication technology (ICT), a wave that IEA started with its Computers in Education Study (two studies with data collection in 1989 and 1992),…

This content analysis identifies trends in the kinds of research being conducted on gifted education. Major findings focus on: research reports as a percentage of the total literature, qualities of various computerized databases, varying topics of concern in non-research versus research literature, most frequently researched group, and most common…

Used the PsycLIT database to study six methods of computing the scholarly productivity of authors. Findings for 323 counseling-psychology faculty indicate the advisability of using simple publication totals, because the psychometric properties of more labor-intensive methods are not known, and ethical guidelines for including coauthors are neither…

Several technical issues related to the Schools and Staffing Survey (SASS) were studied. The 1990-91 SASS is a set of four inter-related surveys of public and private elementary and secondary schools, districts, teachers, and administrators conducted by the National Center for Education Statistics (NCES). Preliminary analysis of the 1990-91 SASS…

The Task Force on Quality Control of the National Center for Education Statistics (NCES) was created to study the quality control procedures used for NCES publications and to determine if there are ways to improve the current procedures. Because a detailed review of the entire survey process would have been too time consuming, the Task Force…

Several Federal programs and initiatives are underway to reduce crime and violence in the schools. In connection with these efforts, Congress had passed legislation requiring the National Center for Education Statistics to collect data about the seriousness and incidence of violence in elementary and secondary schools. This report presents an…