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Testing for Credibility Effects

Testing for Credibility Effects
Author: Mr.Mark P. Taylor
Publisher: International Monetary Fund
Total Pages: 33
Release: 1991-11-01
Genre: Business & Economics
ISBN: 1451853254

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This paper examines some recent techniques designed to draw inferences about the credibility of changes in macroeconomic policy regimes. An alternative two-step approach, based on the decomposition between permanent and transitory components of a "credibility variable" is proposed. The methodology is then used to test for the existence of a credibility effect in the Cruzado stabilization plan implemented in Brazil in 1986.


Testing for Credibility Effects

Testing for Credibility Effects
Author: Pierre-Richard Agenor
Publisher:
Total Pages: 38
Release: 2006
Genre:
ISBN:

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This paper examines some recent techniques designed to draw inferences about the credibility of changes in macroeconomic policy regimes. An alternative two-step approach, based on the decomposition between permanent and transitory components of a quot;credibility variablequot; is proposed. The methodology is then used to test for the existence of a credibility effect in the Cruzado stabilization plan implemented in Brazil in 1986.


Credibility Assessment

Credibility Assessment
Author: David C. Raskin
Publisher: Academic Press
Total Pages: 417
Release: 2013-12-17
Genre: Law
ISBN: 0123947820

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In 2001, the late Murray Kleiner and an array of experts contributed to the Handbook of Polygraph Testing, published by Elsevier, which examined the fundamental principles behind polygraph tests and reviewed the key tests and methods used at that time. In the intervening thirteen years, the field has moved beyond traditional polygraph testing to include a host of biometrics and behavioral observations. The new title reflects the breadth of methods now used. Credibility Assessment builds on the content provided in the Kleiner volume, with revised polygraph testing chapters and chapters on newer methodologies, such as CNS, Ocular-motor, and behavioral measures. Deception detection is a major field of interest in criminal investigation and prosecution, national security screening, and screening at ports of entry. Many of these methods have a long history, e.g., polygraph examinations, and some rely on relatively new technologies, e.g., fMRI and Ocular-motor measurements. Others rely on behavioral observations of persons in less restricted settings, e.g., airport screening. The authors, all of whom are internationally-recognized experts associated with major universities in the United States, United Kingdom, and Europe, review and analyze various methods for the detection of deception, their current applications, and major issues and controversies surrounding their uses. This volume will be of great interest among forensic psychologists, psychophysiologists, polygraph examiners, law enforcement, courts, attorneys, and government agencies. Provides a comprehensive review of all aspects of methods for deception detection Includes methods being used in credibility, such as autonomic, CNS, fMRI, and Ocular-motor measures and behavioral and facial observation Edited by leaders in the field with over 25+ years of experience Discusses theory and application


Credibility Assessment

Credibility Assessment
Author: J.C. Yuille
Publisher: Springer Science & Business Media
Total Pages: 234
Release: 1989-04-30
Genre: Psychology
ISBN: 9780792301950

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Credibility assessment refers to any attempt to ascertain truthfulness. Other terms which have been used to refer to the assessment of credibility include the detection of deception and lie detection. The term lie detection has become virtually synonymous with the use of the polygraph and can no longer be used to refer to the range of procedures currently employed to assess credibility. Also, both lie detection and the detection of deception have a negative cast which does not fully capture the orientation of current approaches to credibility. Consequently, the term credibility assessment has emerged recently as the preferred label. The goal of credibility assessment is typically the determination of the truth of a statement or be found in set of statements. The need or desire to make such an assessment can every human context from marital relations through clinical examinations to police and court interrogations. Examples of the kinds of statements which require credibility assessment are: 1) A child's assertion that she or he has been sexually abused. 2) The claim by a previously suicidal person that he or she has recovered and will not attempt suicide again. 3) The denial of guilt by a suspect in a criminal investigation. 4 ) The confident statement of a witness that he or she is sure in his or her identification of a thief. 5) The vow of loyalty by a potential employee for a security job. It is necessary to assess the credibility of these and similar statements.


Web Content Credibility

Web Content Credibility
Author: Adam Wierzbicki
Publisher: Springer
Total Pages: 225
Release: 2018-06-27
Genre: Computers
ISBN: 3319777947

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This book introduces readers to Web content credibility evaluation and evaluation support. It highlights empirical research and establishes a solid foundation for future research by presenting methods of supporting credibility evaluation of online content, together with publicly available datasets for reproducible experimentation, such as the Web Content Credibility Corpus. The book is divided into six chapters. After a general introduction in Chapter 1, including a brief survey of credibility evaluation in the social sciences, Chapter 2 presents definitions of credibility and related concepts of truth and trust. Next, Chapter 3 details methods, algorithms and user interfaces for systems supporting Web content credibility evaluation. In turn, Chapter 4 takes a closer look at the credibility of social media, exemplified in sections on Twitter, Q&A systems, and Wikipedia, as well as fake news detection. In closing, Chapter 5 presents mathematical and simulation models of credibility evaluation, before a final round-up of the book is provided in Chapter 6. Overall, the book reviews and synthesizes the current state of the art in Web content credibility evaluation support and fake news detection. It provides researchers in academia and industry with both an incentive and a basis for future research and development of Web content credibility evaluation support services.


The Handbook of the Psychology of Communication Technology

The Handbook of the Psychology of Communication Technology
Author: S. Shyam Sundar
Publisher: John Wiley & Sons
Total Pages: 613
Release: 2015-03-16
Genre: Social Science
ISBN: 1118413369

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The Handbook of the Psychology of Communication Technology offers an unparalleled source for seminal and cutting-edge research on the psychological aspects of communicating with and via emergent media technologies, with leading scholars providing insights that advance our knowledge on human-technology interactions. • A uniquely focused review of extensive research on technology and digital media from a psychological perspective • Authoritative chapters by leading scholars studying psychological aspects of communication technologies • Covers all forms of media from Smartphones to Robotics, from Social Media to Virtual Reality • Explores the psychology behind our use and abuse of modern communication technologies • New theories and empirical findings about ways in which our lives are transformed by digital media


Policy Credibility and Sovereign Credit

Policy Credibility and Sovereign Credit
Author: Mr.David Hauner
Publisher: International Monetary Fund
Total Pages: 31
Release: 2007-01-01
Genre: Business & Economics
ISBN: 1451865651

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References to policy credibility, particularly with regard to fiscal policy, are ubiquitous in both economic literature and financial markets, even though it is not directly observable. The case of the EU new member states (NMS)-emerging markets joining a supranational entity that is generally considered to have higher policy credibility-provides a unique experiment to assess the effects of credibility on sovereign credit. This paper examines the impact of EU accession on three key variables that can reflect in varying degrees policy credibility: sovereign ratings, foreign currency spreads, and local currency yields. The results suggest that the NMS appear to have enjoyed higher credibility compared to their peers.


Digital Media, Youth, and Credibility

Digital Media, Youth, and Credibility
Author: Miriam J. Metzger
Publisher: MIT Press
Total Pages: 212
Release: 2008
Genre: Business & Economics
ISBN: 0262562324

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The difficulties in determining the quality of information on the Internet--in particular, the implications of wide access and questionable credibility for youth and learning. Today we have access to an almost inconceivably vast amount of information, from sources that are increasingly portable, accessible, and interactive. The Internet and the explosion of digital media content have made more information available from more sources to more people than at any other time in human history. This brings an infinite number of opportunities for learning, social connection, and entertainment. But at the same time, the origin of information, its quality, and its veracity are often difficult to assess. This volume addresses the issue of credibility--the objective and subjective components that make information believable--in the contemporary media environment. The contributors look particularly at youth audiences and experiences, considering the implications of wide access and the questionable credibility of information for youth and learning. They discuss such topics as the credibility of health information online, how to teach credibility assessment, and public policy solutions. Much research has been done on credibility and new media, but little of it focuses on users younger than college students. Digital Media, Youth, and Credibility fills this gap in the literature. Contributors Matthew S. Eastin, Gunther Eysenbach, Brian Hilligoss, Frances Jacobson Harris, R. David Lankes, Soo Young Rieh, S. Shyam Sundar, Fred W. Weingarten


Testing Truth-Default Theory in Public Speaking

Testing Truth-Default Theory in Public Speaking
Author: James Dubuisson
Publisher:
Total Pages: 0
Release: 2023
Genre: Electronic dissertations
ISBN:

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Truth-default theory was developed as a theoretical framework for understanding how people detect deception. The theory proposes that people believe others are telling the truth unless they are triggered to question them. Explicit credibility statements in speeches are supposed to help speakers appear more credible and trustworthy. Furthermore, relevance theory argues there is an expectation that the topic of a speech will be relevant to the receiver. The present study focuses on applying truth-default theory to public speaking situations across levels of relevance. Two hundred and eight students in a public speaking class participated. Participants were shown one of four videos featuring speeches that either had an explicit statement of credibility present or lacked such a statement. Additionally, each speech was categorized as having either high credibility or low credibility. They then completed a survey that measured their opinions of the speech and the speaker. It was predicted that the use of explicit credibility statements would positively affect the perceptions of the speaker, and speeches with high relevance were more likely to trigger someone to suspect they were being lied to by the speaker. The results showed that topic relevance had a more significant impact on source credibility and trustworthiness than explicit credibility statements, supporting truth-default theory and relevance theory. Additionally, speeches with high relevance were less likely to trigger someone to think they were being lied to by the speaker. Future research is needed to further understand the application of truth-default theory to public speaking scenarios.