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The Classification Of Quadrilaterals

RRP $262.99

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A volume in Research in Mathematics Education Series Editor Barbara J. Dougherty, University of Mississippi This monograph reports on an analysis of a small part of the mathematics curriculum, the definitions given to quadrilaterals. This kind of research, which we call micro-curricular analysis, is often undertaken by those who create curriculum, but it is not usually done systematically and it is rarely published. Many terms in mathematics education can be found to have different definitions in mathematics books. Among these are "natural number," "parallel lines" and "congruent triangles," "trapezoid" and "isosceles trapezoid," the formal definitions of the trigonometric functions and absolute value, and implicit definitions of the arithmetic operations addition, subtraction, multiplication, and division. Yet many teachers and students do not realize there is a choice of definitions for mathematical terms. And even those who realize there is a choice may not know who decides which definition of any mathematical term is better, and under what criteria. Finally, rarely are the mathematical implications of various choices discussed. As a result, many students misuse and otherwise do not understand the role of definition in mathematics. We have chosen in this monograph to examine a bit of mathematics for its definitions: the quadrilaterals. We do so because there is some disagreement in the definitions and, consequently, in the ways in which quadrilaterals are classified and relate to each other. The issues underlying these differences have engaged students, teachers, mathematics educators, and mathematicians. There have been several articles and a number of essays on the definitions and classification of quadrilaterals. But primarily we chose this specific area of definition in mathematics because it demonstrates how broad mathematical issues revolving around definitions become reflected in curricular materials. While we were undertaking this research, we found that the area of quadrilaterals supplied grist for broader and richer discussions than we had first anticipated. The intended audience includes curriculum developers, researchers, teachers, teacher trainers, and anyone interested in language and its use.


Classifying Madness

RRP $574.99

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This book is about the Diagnostic and Statistical Manual of Mental Disorders, more commonly known as the D.S.M. The D.S.M. is published by the American Psychiatric Association and aims to list and describe all mental disorders. The D.S.M. is embedded in mental health care at every turn. In the U.S., hospital records note a D.S.M. diagnosis and medical insurance companies demand D.S.M. codes before they will consider reimbursing for the cost of care. Worldwide, research papers are couched in D.S.M. terminology and pharmaceutical companies list the D.S.M. diagnoses that their drugs treat. Mental health professionals, and their patients, can not avoid being affected by the D.S.M.

The D.S.M. is important, but it is also controversial. While its publishers claim that the D.S.M. is a scientific classification system based on sound data, many have doubts. Big business has interests in the D.S.M. Perhaps the D.S.M. has been distorted by pressures stemming from insurance companies, or from pharmaceutical companies? Others are concerned that whether a condition is classified as a mental disorder depends too greatly on social and political factors. More conceptual worries are also frequent. If classification requires a theory, and if mental disorders are poorly understood, then a sound classification system may be presently unobtainable. Possibly even attempting to construct a classification system that "cuts nature at the joints" is conceptually na‹ve. Maybe types of mental disorder are radically unlike, say, chemical elements, and simply fail to have a natural structure.

Classifying Madness offers a sustained philosophical critique of the D.S.M. that addresses these concerns. The first half of the book asks whether the project of constructing a classification of mental disorders that reflects natural distinctions makes sense. I conclude that it does. The second half of the book addresses epistemic worries. Even supposing a natural classification system to be possible in principle, there may be reasons to be suspicious of the categories included in the D.S.M. I examine the extent to which the D.S.M. depends on psychiatric theory, and look at how it has been shaped by social and financial factors. I aim to be critical of the D.S.M. without being antagonistic towards it. Ultimately, however, I am forced to conclude that although the D.S.M. is of immense practical importance, it is not on track to become the best possible classification of mental disorders.

Classifying Madness will be of interest to both mental health professionals and to philosophers interested in classification in science. The possibility that there may be philosophical difficulties with the D.S.M. has become a commonplace in the mental health literature, and Classifying Madness offers mental health professionals an opportunity to explore suspicions that there might be conceptual problems with the D.S.M. For philosophers, this book aims to contribute to debates in the philosophy of science concerning natural kinds, the theory-ladenness of classification, and the effect of sociological factors in science. These issues are normally approached via a consideration of the natural sciences and, as will be seen, approaching them via a consideration of psychiatry helps shed new light on old problems.


The African Slave Trade And Its Suppression

RRP $628.99

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A comprehensive bibliography dealing specifically with African slave trade. This volume has been sub-classified for easier consultation and the compiler has provided, where possible, descriptions and comments on the works listed.


Mug Chocolate Chip Bread Pudding

RRP $12.99

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This book is in black and white to save buyers money! This book contains a super recipe for a chocolate pudding that is a very satisfying way to deal with a chocolate craving! The idea is presented in both an easy, photo-enhanced version that people learning to read or who have problems reading can follow because of related photographs and simple language, as well as a version for people who don't. People who are learning English or who have disabilities limiting their reading may enjoy this title, as well as young English-speaking children. A mom uses this series with her middle school daughter, a new cook, and adults use the recipes for food they can make very quickly. These titles might also come in handy for bad weather days because I've tried to stay away from strange, expensive, or hard-to-find ingredients.



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