This paper argues that Teacher Education could play a significant role in promoting social change. This however is only possible if teacher educators go beyond the dominant behaviourist and constructivist views that have constrained Teacher Education in Kenya and perhaps other countries in Eastern and Southern Africa and also embrace alternative approaches, particularly the sociocultural view o...

This paper presents a new algorithm to implement causal ordering. Causal ordering was first proposed in the ISIS system developed at Cornell University. The interest of causal ordering in a distr ibuted system is that it is cheaper to realize than total ordering. The implementation of causal ordering proposed in this paper uses logical clocks of Mat te rn-Fidge (which define a partial order bet...

Knowledge discovery is one of the humans' most creative activities. As is often pointed out, humans often draw figures in the process of reasoning and problem solving. Diagrammatic information from a figure gives us numerical and relational data for reasoning, and it also gives us cues for controlling reasoning. The author has developed four discovery systems in the domain of plane geometry. Th...

Charles Bean has written an informative discussion of unemployment that brings to a larger audience some parts of his comprehensive discussion of European unemployment (Bean, 1994). His current paper also discusses the role that policy might take to reduce unemployment. I will put policy issues aside initially to concentrate on the causes of unemployment. I begin by stating and commenting on fo...

background: the main goal of the current research is to evaluate the drawing quality of 4 to 12 years old on the basis of bender-gestalt test. bender-gestalt test is aimed to evaluate visual-motor abilities in children and educational assessments. methods:  the research is conducted in a descriptive framework. the sample included a total number of 707 normal children, aged 4-12 years old, who w...

urbanisation is still one of the social themes in developing countries. in china, the rapid process of urbanisation and economic growth bring to people not only more opportunities for creating new life and pursuing happiness, but also the challenge to face various and complex social, economical and environmental problems. among them some are outstanding, like the shrinking plowland devoured by ...