springer jun 1981 (7 Ergebnisse)

Taschenbuch. Zustand: Neu. Neuware - This booklet contains hints to the solutions and answers where necessary, of the exercises contained in 'Intermediate Statistical Methods' by G. Barrie Wetherill. The following principles have been adopted in dealing with the answers. (1) In some cases the answer is the drawing of a graph, and this has been omitted. (2) In many numerical exercises a considerable amount of 'data snooping', plotting of residuals, etc. should follow the main ~sis. The inclusion of this material would make the answer booklet far too long. (3) In some cases there is a readily available reference from which the answer can be ob~ained, in which case reference has been made to this. It is not necessary to work through every exercise , but it should be recognised that the exercises are an integral part of the main text, and a comprehensive grasp of the subj ect cannot be obtained without attempting a substantial proportion of them. It is hoped that this booklet will be of assistance in pointing the way, and providing a check on the more vital calculations. The importance of numerical exercises should be stressed, and it is here that Appendix B is of importance. There is abundant material available there in many different fields of application. Currently we are in the process of mounting a form of Appendix B on a computer, together with accessing programs.

Buch. Zustand: Neu. Neuware - Since the early 1800's, children have been taught and encouraged to function as instructional agents for their classroom peers. However, it was not until the last decade that peer-mediated intervention was studied in a rigorous, systematic fashion. The purpose of this edited volume is to provide an up-to-date and complete account of empirical research that addresses the general efficacy of classroom peers as behavior change agents. As a result of various social and legal developments, such as the passage of Public Law 94-142 and its accompanying demand for indi vidualized instruction, peer-mediated interventions seem likely to prolif erate. As I have noted elsewhere (Strain, this volume), close adherence to the principle of individualized programming has rendered obsolete the 'adults only' model of classroom instruction. Whether the utilization of peers in the instructional process comes to be viewed by school personnel as a positive adjunct to daily classroom practices depends in large mea sure on our ability to carefully design, conduct, and communicate the findings of applied research. I trust that this volume will function both to accurately communicate existing findings and to stimulate further study. My colleagues who have generously contributed their time and skill to this volume have my deepest appreciation. They have performed their various tasks in a timely, professional manner and, in my opinion, have provided considerable insight into the problems and potentials of peers as instructional agents.

Buch. Zustand: Neu. Neuware - The essays included in this volume are a mixture of old and new. Three of them make their first appearance in print on this occa sion (Nos III, IV, and V). The remaining four are based upon materials previously published in learned journals or anthologies. (However, these previously published papers have been revised and, generally, expanded for inclusion here.) Detailed acknowl edgement of prior publications is made in the notes to the relevant articles. I am grateful to the editors of these several publications for their kind permission to use this material. I am grateful to an anonymous reader for the Western Ontario Series for some useful corrigenda. And I should like to thank John Horty and Lily Knezevich for their help in seeing this material through the press. NICHOLAS RESCHER Pittsburgh, Pennsylvania May, 1980 xi INTRODUCTION The unifying theme of these essays is their concern with Leibniz's metaphysics of nature. In particular, they revolve about his cos mology of creation and his conception of the real world as one among infinitely many equipossible alternatives.

Buch. Zustand: Neu. Neuware - The southwestern Amazon basin, centering on the Territory of Rondönia and the State of Acre, is symbolically if not exactly geographically, the Wild Wild West of Brazil's northern rainforest fron tier. In Brazil the name Rondönia evokes exaggerated images of lawlessness, land feuding, and indigent peasants in search of a homestead. Despite the problems and the perception, the region has pushed ahead, in the view of the govern ment, with large-scale deforestation and the establishment of cattle ranches and agricultural farms raising manioc, rice, bananas, and other cash crops. The mining industry has been launched with the exploitation oftin stone, and the recent gold rush has attracted thousands of miners that are sifting alluvial deposits along the rivers for the precious ore. In an energy-short world, the region boasts of its large hydroelectric potential waiting development in the rivers falling off the Brazilian Shield and draining into the Rio Madeira. Planners are optimistic that Rondönia's resources, once developed, will more than justify, at least in this corner of the rainforest frontier, the Economic Conquest ofthe Amazon. Sandwiched between the economic take-off and the dream, however, are the biological resources - the plants and animals - that must serve as sources of energy and food until human dominated ecosystems replace naturaiones. These resources are, ofnecessity, being heavily attacked to support the shaky economy of the region, but they are very poorly understood in terms of potential productivity and proper management.

Buch. Zustand: Neu. Neuware.

Buch. Zustand: Neu. Neuware - This book presents the formal lectures and contributed papers given at the NATO Advanced Study Institute on Fast Reactions in Energetic Systems, which took place in Preveza, Greece, during the period 6-19 July 1980. The material describes experimental observations and the more advanced theoretical aspects of certain types of fast reactions and energy or charge transfer processes which are usually complete 6 12 in periods of 10- - 10- seconds. Furthermore, it discusses the role of macroscopic and molecular processes in the ignition, combustion, deflagration, and detonation of solid, liquid, and gaseous chemical systems. Various papers deal with the ability of molecules to absorb and transmit the different forms of energy provided by shock, light, thermal, or electron pulses, and to contribute to the propagation of reactions under high temperatures and pressures. The role of energy pumped or transferred to electronic or vibrational states is discussed in terms of excitation, ionization, bond scission, and the formation of free radicals. The dynamics and reactivity of ionic species, electronically and vibrationally excited states, and free radicals are described for various gaseous, liquid, and solid systems. The proceedings include presentations of theoretical and experimental techniques to describe and observe the phenomena.

Buch. Zustand: Neu. Neuware - EINE TRAGODIE: W ALLEN STEINS UND UNSER ALLER BOSER GEIST Descartes zweifelte - selbst an der Wahrheit von Arithmetik und Geometrie: 'Equidem non aliam ob causam de iis dubitandum esse . . . judicavi, quam quia veniebat in mentem forte aliquem Deum talem mihi naturam indere potuisse, ut etiam ilia deciperer, quae manifestissima viderentur. Sed quoties haec praeconcepta de summa Dei potentia opinio mihi occurrit, non possum non fateri, siquidem velit, facile illi esse efficere ut errem, etiam in his quae me puto mentis oculis quam evidentissime intueri': 'Allerdings aus keinem anderen Grunde urteilte ich . . . , daB daran zu zwei feln sei, als dem, daB mir in den Sinn kam, vielleicht habe ein Gott mir eine Natur der Art zu geben vermocht, daB ich mich tausche selbst beztiglich dessen, was das Offenkundigste schiene. Doch so oft mir diese vorgefaBte Meinung tiber Gottes hOchste Macht begegnet, kann ich nicht umhin, einzugestehen, es sei ihm ein Leichtes, wenn er nur wolle, zu bewirken, daB ich irre selbst in solchem, was ich mit den Augen des Geistes so evident wie nur m6glich einzusehen meine. ' Dann ware die offenkundigste GewiBheit, die hOchste Evidenz - am Ende der entschiedenste Grund zur Vermutung einer voll kommenen Tauschung. Wie ware das denkbar Ais v611ig gewil3, ganz offenkundig und vollkommen evident erscheint uns, was sich uns zwingend aufdringt, ganz ohne unser Zutun, v611ig unab hangig von unserem eigenen Glauben, Meinen und Wollen, ganz lich unbeeinflul3t, ungefarbt von unserer Subjektivitat.