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An attempt to show how digraph-theory may be utilized in developing a soc network-theory, esp in the field of local power & influence. Some of the ways are indicated in which digraph-theory, which serves as a descriptive-explicative mathematical model, can be used to analyze componenets of theory of local power. Power is conceptualized as a system of SR. This presupposes in every local community a certain network of exchange ties. A mathematical description is sought of some of the properties of such a power-network. A mathematical model is used in the sense of a collection of definitions. The theory of graphs as a mathematical model in the study of local power configurations is, at least in the beginning, a descriptive theory of power structures. In a descriptive model based on the theory of graphs the power configuration (made of local influentials & the set of relationships among them) is conceptualized as a graph (a directed, possibly valued, multi-graph). When this is done, theorems about the graph, which is assumed to be isomorphic to the power configuration, can be translated into corresponding statements about the power structure. In this context the validation of such statements is a purely logical validation, a consequence of the assumed isomorphy between the graph & the power configuration. This descriptive approach is presented here. 27 Figures. Modified HA.

Sexual health in Flanders describes the results of the first representative population-based study on this topic in Flanders (the Northern, Dutch-speaking part of Belgium). A research team of psychologists, sexologists, sociologists and medical doctors, affiliated with Ghent University, KU Leuven and Ghent University Hospital collaborated on this research project that aimed to explore various aspects of sexual behavior and sexual health in men and women living in Flanders. Apart from providing in reliable, valid, descriptive scientific data, this study offers important information on which a more targeted policy to promote sexual health can be developed.

This reference work is based on a survey in which 1832 Flemish men and women – aged 14 to 80 years old – participated and that covered various aspects of sexual health. The focus is not only on sexual experiences and practices; attention is also paid to the relational and social context in which these experiences occur. In addition, a number of chapters elaborate on the sexual start (the first sexual experiences), reproductive health, sexual dysfunctions, cross-border sexual behavior, and profiles of sexual health.

The detailed description of the methodology that was used, allows the reader to evaluate the accuracy of the many tables, figures and numbers that are presented. In short, Sexual health in Flanders is an essential reference work for anyone with an interest in a reliable, detailed and scientific image of a broad range of aspects of sexual health in Flanders.

The framework of public administration in many developing countries was, to a large extent, set by the colonial powers: direct or indirect rule, centralization of administrative power benefiting only a small elite, & the abuse of power at the lower levels of government affect the administrative apparatus to this day. Other problems are the psychological insecurity of many administrators, the intertwining of politics & administration, the inability of the administrators to cope with problems of economic planning & performance, & the general shortage of skilled personnel, especially in the field of management. The science of public administration presents various approaches to the study of administration in developing countries, including: (1)`ideographic' analysis (largely descriptive, & directed at the solution of practical problems), & (2) typologies & classifications (`crude' models or sophisticated ideal types, like M. Weber's 'bureaucracy'). F. W. Riggs's bipolar ideal type of 'agraria' & 'industria' deserve particular attention; when used in the context of an ecological approach (eg, Riggs, F. W., Administration in Developing Countries-The Theory of Prismatic Society, Boston: Little, Brown, 1964) it forms a very useful approach to the study of public administration in developing countries. Ideographic analysis suffers from a lack of scientific rigor, but its attention to history & culture & its practical orientation constitute definite advantages. Yet, there are considerable problems in justifying `comparative ideographic' development assistance in the field of public administration. Weber's ideal type offers another useful starting point for the study of development administration, but only if one uses the bureaucratic ideal type in a more inductive way than Weber did, & if one takes great care to avoid simplistic notions about a `modern' bureaucracy. Riggs's ecological approach & Weber's ideal type of `the bureaucracy' as reformulated by F. Heady (Public Administration: A Comparative Perspective, Englewood Cliffs: Prentice Hall, 1966), seem to be the most solid bases for a further development of the study of development administration. Modified HA.

The framework of public administration in many developing countries was, to a large extent, set by the colonial powers: direct or indirect rule, centralization of administrative power benefiting only a small elite, & the abuse of power at the lower levels of government affect the administrative apparatus to this day. Other problems are the psychological insecurity of many administrators, the intertwining of politics & administration, the inability of the administrators to cope with problems of economic planning & performance, & the general shortage of skilled personnel, especially in the field of management. The science of public administration presents various approaches to the study of administration in developing countries, including: (1)'ideographic' analysis (largely descriptive, & directed at the solution of practical problems), & (2) typologies & classifications ('crude' models or sophisticated ideal types, like M. Weber's 'bureaucracy'). F. W. Riggs's bipolar ideal type of 'agraria' & 'industria' deserve particular attention; when used in the context of an ecological approach (eg, Riggs, F. W., Administration in Developing Countries--The Theory of Prismatic Society, Boston: Little, Brown, 1964) it forms a very useful approach to the study of public administration in developing countries. Ideographic analysis suffers from a lack of scientific rigor, but its attention to history & culture & its practical orientation constitute definite advantages. Yet, there are considerable problems in justifying 'comparative ideographic' development assistance in the field of public administration. Weber's ideal type offers another useful starting point for the study of development administration, but only if one uses the bureaucratic ideal type in a more inductive way than Weber did, & if one takes great care to avoid simplistic notions about a 'modern' bureaucracy. Riggs's ecological approach & Weber's ideal type of 'the bureaucracy' as reformulated by F. Heady (Public Administration: A Comparative Perspective, Englewood Cliffs: Prentice Hall, 1966), seem to be the most solid bases for a further development of the study of development administration. Modified HA.