The American Association for the Advancement of Science 2011 report Vision and Change in Undergraduate Biology Education encourages the teaching of developmental biology as an important part of teaching evolution. Recently, however, we found that biology majors often lack the developmental knowledge needed to understand evolutionary developmental biology, or "evo-devo." To assist in efforts to ...

BACKGROUND Overweight prevalence among Guatemalan girls is higher in public than in private schools. Little is known about adolescent girls' perceptions of the right ways to achieve a healthy weight. This study examines public and private school adolescent girls' perceptions of a "healthy weight," and barriers and facilitators to achieving it. METHODS We conducted 4 focus groups in public and...

research in public policy centre for market and public organisation Student achievement and teacher turnover what is the link?

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Taken together, the emotion of disgust consisted of a rigid, reliable type of motivation and behavior, paired with an open-ended database of elicitors and a flexible acquisition system, enhanced with a sentimental signaling system available for the transmission of cultural information. As new adaptive problems arose, these features, and the mix of rigidity and flexibility they offered, made the...

BACKGROUND The objective of this study was to investigate the effect of a 4-year specialist-taught Physical Education (PE) program on physical activity (PA) among primary school children. METHODS A 4-year cluster randomised controlled trial was conducted in children (initially aged 8 years) from 29 primary schools (13 Intervention, 16 Control). Intervention students (N = 457) received 2 × 45 ...

The trend toward increased technology in traditional higher education classrooms has been met with both optimism and criticism. One of the major criticisms of technology in the college classroom is that it does little, if anything, to improve student learning. Taking this view of technology into account, this study examined how the use of technology contributed to student learning outcomes afte...

This study utilises a qualitative approach to elicit the reproductive health concerns of girls at a Christian summer camp with a view to making recommendations on how to improve the content and process of future sessions. The girls asked questions anonymously about various aspects of their sexuality, which were analysed to identify emergent themes. There were 75 participants with ages ranging f...

We analyzed one decade of data collected by the Programme for International Student Assessment (PISA), including the mathematics and reading performance of nearly 1.5 million 15 year olds in 75 countries. Across nations, boys scored higher than girls in mathematics, but lower than girls in reading. The sex difference in reading was three times as large as in mathematics. There was considerable ...

BACKGROUND Bullying is a problem in schools in many countries. There would be a benefit in the availability of a psychometrically sound instrument for its measurement, for use by teachers and researchers. The Olweus Bully/Victim Questionnaire has been used in a number of studies but comprehensive evidence on its validity is not available. AIMS To examine the conceptual design, construct valid...