As recently as the early 1970s, the news media was one of the most respected institutions in the United States. Yet by the 1990s, this trust had all but evaporated. Why has confidence in the press declined so dramatically over the past 40 years? And has this change shaped the public's political behavior? This book examines waning public trust in the institutional news media within the context of the American political system and looks at how this lack of confidence has altered the ways people acquire political information and form electoral preferences. Jonathan Ladd argues that in the 1950s, '60s, and early '70s, competition in American party politics and the media industry reached historic lows. When competition later intensified in both of these realms, the public's distrust of the institutional media grew, leading the public to resist the mainstream press's information about policy outcomes and turn toward alternative partisan media outlets. As a result, public beliefs and voting behavior are now increasingly shaped by partisan predispositions. Ladd contends that it is not realistic or desirable to suppress party and media competition to the levels of the mid-twentieth century; rather, in the contemporary media environment, new ways to augment the public's knowledgeability and responsiveness must be explored. Drawing on historical evidence, experiments, and public opinion surveys, this book shows that in a world of endless news sources, citizens' trust in institutional media is more important than ever before.
As recently as the early 1970s, the news media was one of the most respected institutions in the United States. Yet by the 1990s, this trust had all but evaporated. Why has confidence in the press declined so dramatically over the past 40 years? And has this change shaped the public's political behavior? This book examines waning public trust in the institutional news media within the context of the American political system and looks at how this lack of confidence has altered the ways people acquire political information and form electoral preferences. Jonathan Ladd argues that in the 1950s, '60s, and early '70s, competition in American party politics and the media industry reached historic lows. When competition later intensified in both of these realms, the public's distrust of the institutional media grew, leading the public to resist the mainstream press's information about policy outcomes and turn toward alternative partisan media outlets. As a result, public beliefs and voting behavior are now increasingly shaped by partisan predispositions. Ladd contends that it is not realistic or desirable to suppress party and media competition to the levels of the mid-twentieth century; rather, in the contemporary media environment, new ways to augment the public's knowledgeability and responsiveness must be explored. Drawing on historical evidence, experiments, and public opinion surveys, this book shows that in a world of endless news sources, citizens' trust in institutional media is more important than ever before.
How the 2016 news media environment allowed Trump to win the presidency The 2016 presidential election campaign might have seemed to be all about one man. He certainly did everything possible to reinforce that impression. But to an unprecedented degree the campaign also was about the news media and its relationships with the man who won and the woman he defeated. Words that Matter assesses how the news media covered the extraordinary 2016 election and, more important, what information—true, false, or somewhere in between—actually helped voters make up their minds. Using journalists' real-time tweets and published news coverage of campaign events, along with Gallup polling data measuring how voters perceived that reporting, the book traces the flow of information from candidates and their campaigns to journalists and to the public. The evidence uncovered shows how Donald Trump's victory, and Hillary Clinton's loss, resulted in large part from how the news media responded to these two unique candidates. Both candidates were unusual in their own ways, and thus presented a long list of possible issues for the media to focus on. Which of these many topics got communicated to voters made a big difference outcome. What people heard about these two candidates during the campaign was quite different. Coverage of Trump was scattered among many different issues, and while many of those issues were negative, no single negative narrative came to dominate the coverage of the man who would be elected the 45th president of the United States. Clinton, by contrast, faced an almost unrelenting news media focus on one negative issue—her alleged misuse of e-mails—that captured public attention in a way that the more numerous questions about Trump did not. Some news media coverage of the campaign was insightful and helpful to voters who really wanted serious information to help them make the most important decision a democracy offers. But this book also demonstrates how the modern media environment can exacerbate the kind of pack journalism that leads some issues to dominate the news while others of equal or greater importance get almost no attention, making it hard for voters to make informed choices.
The first book to provide a detailed overview of Geosynthetic Reinforced Soil Walls Geosynthetic Reinforced Soil (GRS) Walls deploy horizontal layers of closely spaced tensile inclusion in the fill material to achieve stability of a soil mass. GRS walls are more adaptable to different environmental conditions, more economical, and offer high performance in a wide range of transportation infrastructure applications. This book addresses both GRS and GMSE, with a much stronger emphasis on the former. For completeness, it begins with a review of shear strength of soils and classical earth pressure theories. It then goes on to examine the use of geosynthetics as reinforcement, and followed by the load-deformation behavior of GRS mass as a soil-geosynthetic composite, reinforcing mechanisms of GRS, and GRS walls with different types of facing. Finally, the book finishes by covering design concepts with design examples for different loading and geometric conditions, and the construction of GRS walls, including typical construction procedures and general construction guidelines. The number of GRS walls and abutments built to date is relatively low due to lack of understanding of GRS. While failure rate of GMSE has been estimated to be around 5%, failure of GRS has been found to be practically nil, with studies suggesting many advantages, including a smaller susceptibility to long-term creep and stronger resistance to seismic loads when well-compacted granular fill is employed. Geosynthetic Reinforced Soil (GRS) Walls will serve as an excellent guide or reference for wall projects such as transportation infrastructure—including roadways, bridges, retaining walls, and earth slopes—that are in dire need of repair and replacement in the U.S. and abroad. Covers both GRS and GMSE (MSE with geosynthetics as reinforcement); with much greater emphasis on GRS walls Showcases reinforcing mechanisms, engineering behavior, and design concepts of GRS and includes many step-by-step design examples Features information on typical construction procedures and general construction guidelines Includes hundreds of line drawings and photos Geosynthetic Reinforced Soil (GRS) Walls is an important book for practicing geotechnical engineers and structural engineers, as well as for advanced students of civil, structural, and geotechnical engineering.
This fully updated second edition provides an introduction to geotechnical earthquake engineering for first-year graduate students in geotechnical or earthquake engineering graduate programs with a level of detail that will also be useful for more advanced students as well as researchers and practitioners. It begins with an introduction to seismology and earthquake ground motions, then presents seismic hazard analysis and performance-based earthquake engineering (PBEE) principles. Dynamic soil properties pertinent to earthquake engineering applications are examined, both to facilitate understanding of soil response to seismic loads and to describe their practical measurement as part of site characterization. These topics are followed by site response and its analysis and soil–structure interaction. Ground failure in the form of soil liquefaction, cyclic softening, surface fault rupture, and seismically induced landslides are also addressed, and the book closes with a chapter on soil improvement and hazard mitigation. The first edition has been widely used around the world by geotechnical engineers as well as many seismologists and structural engineers. The main text of this book and the four appendices: • Cover fundamental concepts in applied seismology, geotechnical engineering, and structural dynamics. • Contain numerous references for further reading, allowing for detailed exploration of background or more advanced material. • Present worked example problems that illustrate the application of key concepts emphasized in the text. • Include chapter summaries that emphasize the most important points. • Present concepts of performance-based earthquake engineering with an emphasis on uncertainty and the types of probabilistic analyses needed to implement PBEE in practice. • Present a broad, interdisciplinary narrative, drawing from the fields of seismology, geotechnical engineering, and structural engineering to facilitate holistic understanding of how geotechnical earthquake engineering is applied in seismic hazard and risk analyses and in seismic design.
As recently as the early 1970s, the news media was one of the most respected institutions in the United States. Yet by the 1990s, this trust had all but evaporated. Why has confidence in the press declined so dramatically over the past 40 years? And has this change shaped the public's political behavior? This book examines waning public trust in the institutional news media within the context of the American political system and looks at how this lack of confidence has altered the ways people acquire political information and form electoral preferences. Jonathan Ladd argues that in the 1950s, '60s, and early '70s, competition in American party politics and the media industry reached historic lows. When competition later intensified in both of these realms, the public's distrust of the institutional media grew, leading the public to resist the mainstream press's information about policy outcomes and turn toward alternative partisan media outlets. As a result, public beliefs and voting behavior are now increasingly shaped by partisan predispositions. Ladd contends that it is not realistic or desirable to suppress party and media competition to the levels of the mid-twentieth century; rather, in the contemporary media environment, new ways to augment the public's knowledgeability and responsiveness must be explored. Drawing on historical evidence, experiments, and public opinion surveys, this book shows that in a world of endless news sources, citizens' trust in institutional media is more important than ever before.
An accessible introduction to the phonetic analysis of speech corpora, this workbook-style text provides an extensive set of exercises to help readers develop the necessary skills to design and carry out experiments in speech research. Offers the first step-by-step treatment of advanced techniques in experimental phonetics using speech corpora and downloadable software, including the R programming language Introduces methods of analyzing phonetically-labelled speech corpora, with the goal of testing hypotheses that often arise in experimental phonetics and laboratory phonology Incorporates an extensive set of exercises and answers to reinforce the techniques introduced Accessibly written with easy-to-follow computer commands and spectrograms of speech Companion website at www.wiley.com/go/harrington, which includes illustrations, video tutorials, appendices, and downloadable speech corpora for testing purposes. Discusses techniques in digital speech processing and in structuring and querying annotations from speech corpora Includes substantial coverage of analysis, including measuring gestural synchronization using EMA, the acoustics of vowels, consonant overlap using EPG, spectral analysis of fricatives and obstruents, and the probabilistic classification of acoustic speech data
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