Adolescence is a vulnerable period for the initiation and peak of many harmful risk-taking behaviors such as smoking, which is among the most addictive and deadliest behaviors. Generic metatheories like the theory of triadic influence (TTI) suggest that interrelated risk factors across multiple domains (i.e., intrapersonal and…

Sharing is an important indicator of internalised prosocial values. We examined predictors of sharing of 302 preschoolers with their younger siblings in a one-year longitudinal study. Sharing was observed during different home visits, once with father and once with mother. We examined the following predictors: both children's externalising…

Academic career paths in Europe are heterogeneous, and the chances for early career researchers to become a permanent member of the academic profession differ from country to country. In some countries, the employment prospects are very insecure. It is asked whether contract conditions at universities influence the chance of taking over a mature…

This article examines equity in national systems of education in terms of differences in student outcomes, as measured by mathematics achievement scores on Programme for International Student Assessment (PISA) 2003. The author uses four measures for assessing equity in student outcomes: (1) the strength of the relationship between student…

This study examined the influence of phonological memory and rapid naming on the development of letter knowledge. Participants were 77 Dutch children, who were followed from the start of their first kindergarten year (mean age 4 years 6.8 months) to the end of their second kindergarten year. Phonological memory was assessed by a nonword repetition…

This document contains four papers on organizational enhancement and human resource development (HRD). "Motivation to Improve Work through Learning in Human Resource Development" (Sharon S. Naquin, Elwood F. Holton III) argues that HRD's traditional conceptualization of motivation should be expanded to incorporate motivation to use…