Interacting Socially With Human Hands at 24 Months of Age

This experiment explored whether or not 2‐year‐olds would engage in synchronic imitation with human hands. Sixty‐four 24‐month‐old infants participated. In a test of synchronic imitation, infants were given a toy while a model simultaneously performed novel actions on an identical toy. Infants were randomly assigned to 1 of 4 model conditions: a familiar person, an unfamiliar person, disembodied human hands, and disembodied robotic pincers. Infants were as likely to synchronically imitate disembodied hands as a person. Imitation of the pincers was significantly lower. This pattern suggests that 2‐year‐olds will engage socially with human hands in the absence of the rest of the body.     

Mapping the non-profit sector in the United States: implications for research

The need for a national typology of the US non-profit sector has long been recognised. A typology which could better define and describe the variety and diversity of non-profit organisations by type or major function will serve numerous research and public policy uses. This article describes the essential elements of the National Taxonomy of Exempt Entities (NTEE), developed over almost a decade after extensive consultation with agencies in the non-profit sector and the United States government. The article reports an initial analysis of the classification of nearly one million non-profit organisations in the US, and comparisons are made with earlier estimates inDimensions of the Independent Sector. Based on these findings, changes are proposed to this biennial statistical profile of the US non-profit sector. The importance of developing national typologies of non-profit organisations is discussed as a basis for comparative international research.     

Improving Educational Opportunities for Students With Disabilities Who Are Homeless

Students who are homeless constitute a unique subset within today's school population; those who also have disabilities face even greater challenges. This article highlights the uniaue needs of students with disabilities who are homeless, legislative mandates for serving these students (the McKinney Act and the Individuals with Disabilities Education Act), and promising practices for overcoming educational and institutional obstacles to service delivery. Suggestions will focus on developing collaborative relationships at multiple levels, creating responsive systems through staff development and procedural revisions, and providing students with the social and instructional support they need to be successful.     

作为精神分析的聆听——关于中国孤独症儿童家长的精神分析的讲座

2002年12月2日,现任欧洲和中国精神分析互助联合会主席、法国精神分析家米歇尔·吉布尔(MichelGuibal)先生应邀在北京大学就有关中国孤独症儿童家长的精神分析的命题,与北大师生展开了一次学术对话,下面刊发的就是这次讲座的部分内容。——编者     

Modelling and controlling product manufacturing systems using bond-graphs and state equations: Continuous systems and discrete systems which can be represented by continuous models

This paper presents an approach to the modelling and control phases involved in a cooperative process of design and management of the manufacturing systems. Modelling the evolution of the production flow, in the different sections of the system, is based upon the use of the bondgraph methodology in order to reach the state formalism which constitutes one of the modern representations of automation. The class of the systems studied ranges from continuous systems to discrete systems, which can be represented by a continuous approach according to the level of approximation required. The first part of this paper is dedicated to the development of generic models associated with the various basic entities of the manufacturing systems. Then, the bondgraph model of any system is obtained by assembling generic models in relation to the implementation of the means of the studied system, thus guaranteeing a representation which is quite close to the engineering sketches. Finally, switching to the state equation is performed systematically with the easiness provided by this formalism while taking into account the causality principle. An application, involving most of the elementary models developed, concludes the paper.