This article discusses three sets of challenges involved in the assessment of writing from a developmental perspective. These challenges include defining a workable theory of development, developing a suitable construct, and overcoming limitations in technocentric approaches to writing assessment. In North America in recent years, a burgeoning…

Research design and methods in educational neuroscience involve using neuroscientific tools such as brain image technologies to investigate cognitive functions and inform educational practices. The ethical challenges raised by research in social neuroscience have become the focus of neuroethics, a sub-discipline of bioethics. More specifically…

Continental margins are an important part of the ocean floor. They separate the land above sea level from the deep ocean basins below and occupy about 11% of Earth's surface. They are also economically important, as they harbor both mineral resources and some of the most valuable fisheries in the world. In this article students investigate North…

The [voice] distinction between homorganic stops and fricatives is made by a number of acoustic correlates including voicing, segment duration, and preceding vowel duration. The present work looks at [voice] from a number of multidimensional perspectives. This dissertation's focus is a corpus study of the phonetic realization of [voice] in two…

This study investigates the relationship between the students' understanding of the aims of an investigative activity and their performance when conducting it. One hundred and eighty-one year nine students from a public middle school in Brazil took part in the study. Students working in pairs were asked to investigate two problems using a…

An empirical investigation of international research relating to special educational needs is reported. Two international arenas were identified: a North American and a British/European. Articles from 2004 were analysed with regard to 1) sex of authors, 2) country of institutional affiliation of authors, 3) themes and 4) perspectives. The analyses…