Purpose: Identification of children with specific language impairment (SLI) can be difficult even though their language can lag that of age peers throughout childhood. A clinical grammar marker featuring tense marking in simple clauses is valid and reliable for young children but is limited by ceiling effects around the age of 8 years. This study…

This article is an English translation of Niklas Luhmann's essay, "Erziehung als Formung des Lebenslaufes." Any review of what takes place nowadays in the "education system" soon reveals that no account, let alone theory, covers everything to be found there. It embraces not only schools and universities but also kindergartens…

Self-esteem has been regarded as one of the most pivotal component in almost every day human daily activities. Trajectory of self esteem development means that on the average, one's self-esteem is relatively high in childhood, then drops during adolescence, later to arise gradually throughout adulthood, and then declines sharply in old age. The…

Adults need certain capabilities to get and keep a job, provide responsive care for children, manage a household, and contribute productively to the community. When these skills have not developed as they should, or are compromised by the stresses of poverty or other ongoing adversity, our communities pay the price. But where do these capabilities…

The education Millennium Development Goals have been highly influential on the priorities for education and concentrated policy efforts on numbers of girls enrolled in public sector schools offering basic education. This focus has been justified by human capital calculations of the social rates of return to basic schooling. This concern with…

It is widely assumed that ultimate attainment in adult second language (L2) learners often differs quite radically from ultimate attainment in child L2 learners. This article addresses the question of whether learners at different ages also show qualitative differences in the process of L2 acquisition. Longitudinal production data from two…

To characterize cognitive maturation through adolescence, processing speed, voluntary response suppression, and spatial working memory were measured in 8- to 30-year-old (N=245) healthy participants using oculomotor tasks. Development progressed with a steep initial improvement in performance followed by stabilization in adolescence. Adult-level…

How do children and adults learn to use computers? What developmental processes are involved in learning to use computers? This chapter reviews current understanding of these issues and presents empirical studies demonstrating how to advance that understanding. (Contains 2 figures.)