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Health Psychology [6 ed.] 9781319169817
Citation preview
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HEALTH PSYCHOLOGY A Biopsychosocial Approach SIXTH EDITION Richard O. Straub University of Michigan, Dearborn
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E-Book Overview
Rick Straub's focus on the biopsychosocial model, gender/lifespan/culture perspectives, and real world applications makes Health Psychology a riveting and culturally-enriched educational experience for students. This redesigned new edition has been carefully and extensively updated, enhanced bygd Straub's meticulous revision process and feedback from instructors and students.With more emphasis on positiv health, the new edition examines resultat from biological, psychological, and social aspects of health offering students a balanced perspective that can help inform their future health decisions in real life.”
E-Book Content
Health Psychology A Biopsychosocial Approach fourth edition
Richard O. Straub University of Michigan, Dearborn
Worth Publishers A Macmillan Higher Education Company
Part and chapter opener art kredit Description: ung woman sitting Credit: Blue Jean Images/Corbis Description: Woman jogging in park Credit: Ocean/Corbis
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Gravitation and Special Relativity
Introduction
In 1893 Oliver Heaviside published a paper [3] entitled "A Gravitational and Electromagnetic Analogy" in which he noted the similarities between the gravitational and electromagnetic fields. "Now, bearing in mind the successful manner in which Maxwell's localization of electric and magnetic energy in his ether lends itself to theoretical reasoning," he wrote, "the suggestion is very natural that we should attempt to localize gravitational energy in a similar manner, its density to depend upon the square of the intensity of the force, especially because the law of the inverse squares is involved throughout." Heaviside's attempt at a field theory of gravitation was followed by Lorentz (1900) [6] and Poincaré (1905) [11].
Those attempts were abandoned with the success of Einstein's general theory of relativity, which is geometric in nature, and highly nonlinear. Einstein maintained that gravita