Self-esteem has always been a hot research object in the field of adolescent mental health. But in longitudinal research, using a single slope to describe the trajectory of adolescent self-esteem is unrealistic. The piecewise growth mixture model (PGMM) was used to fit the data in this study. Selecting from China Family Panel Studies database, a…

Much has been written about why students engage in academic studies at university, with less attention given to the concept of disengagement. Understanding the risks and factors associated with student disengagement from learning provides opportunities for targeted remediation. The aims of this review were to (i) explore how student disengagement…

This research empirically evaluates data sets from the National Center for Education Statistics (NCES) for design effects of ignoring the sampling design in weighted two-level analyses. Currently, researchers may ignore the sampling design beyond the levels that they model which might result in incorrect inferences regarding hypotheses due to…

In the EU Kids Online II project, data were collected from children and parents via in-home face-to-face interviews in 25 European countries to examine children's Internet use, activities and skills, the risk of harm they encountered, parental awareness, and safety strategies regarding children's Internet use and risks. The project provides…

Effective teaching and teachers are key to producing high-performing students worldwide. So how can countries prepare teachers to face the diverse challenges in today's schools? The Teaching and Learning International Survey (TALIS) helps answer this question. TALIS asks teachers and schools about their working conditions and the learning…

This report summarizes the results of an international survey on the utilization of videotex and teletext which covered 20 countries, including Canada, Great Britain, France, Holland, Switzerland, the United States, and West Germany. Included are: (1) definitions and a comparison of the two media; (2) the methods used to collect the data…

Review of research using data from five British national demographic surveys showed that secondary analyses occurred less often in education; such analyses focused on the effect of educational qualifications on employment; and some data remain relatively unexploited. (SK)

Studied the reliability and accuracy of data from Statistics Sweden's Level of Living Surveys (register data) on the return on schooling using a sample of 2,914 adults. Findings show that this register data does not show some partial secondary and postsecondary studies that did not lead to degrees, and that there are difference in annual and…

This description of the characteristics of scientific and technical information databases in France highlights database production and distribution across scientific fields regional distribution of producers, types of data included, recency of creation of databases, and users of databases. (4 references) (CLB)