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Informationen zum Autor Jörg Blasius is a professor of Sociology at the Institute for Political Science and Sociology, University of Bonn, Germany. His research interests are mainly focused on explorative data analysis, especially correspondence analysis and related methods, data collection methods, sociology of lifestyles, and urban sociology. He is a coeditor of the SAGE Series “Survey Research Methods in the Social Sciences.” Together with Michael Greenacre (University Pompeu Fabra, Barcelona ), he founded Carme ( Correspondence Analysis and Related Methods Network, see www.carme-n.org). From 1998 to 2016, he belonged to the Board of RC33 ( Research Committee on Logic and Methodology in Sociology ) of the ISA ( International Sociological Association), from 2006 to 2010 he served as president. Website: https://www.politik-soziologie.uni-bonn.de/de/personal/Prof.-Dr.-Joerg-Blasius Klappentext This is a book for any researcher using any kind of survey data. It introduces the latest methods of assessing the quality and validity of such data by providing new ways of interpreting variation and measuring error. By practically and accessibly demonstrating these techniques, especially those derived from Multiple Correspondence Analysis, the authors develop screening procedures to search for variation in observed responses that do not correspond with actual differences between respondents. Using well-known international data sets, the authors exemplify how to detect all manner of non-substantive variation having sources such as a variety of response styles including acquiescence, respondents' failure to understand questions, inadequate field work standards, interview fatigue, and even the manufacture of (partly) faked interviews. Zusammenfassung This book, for all researchers using survey data, presents new ways to assess the data's quality and reliability. Inhaltsverzeichnis Conceptualizing Data Quality: Respondent Attributes, Study Architecture, and Institutional Practices Conceptualizing Response Quality Study Architecture Institutional Quality Control Practices Data Screening Methodology Chapter Outline Empirical Findings on Quality and Comparability of Survey Data Response Quality Approaches to Detecting Systematic Response Errors Questionnaire Architecture Cognitive Maps in Cross-Cultural Perspective Conclusion Statistical Techniques for Data Screening Principal Component Analysis Categorical Principal Component Analysis Multiple Correspondence Analysis Conclusion Institutional Quality Control Practices Detecting Procedural Deficiencies Data Duplication Detecting Faked and Partly Faked Interviews Data Entry Errors Conclusion Substantive or Methodology-Induced Factors? A Comparison of PCA, CatPCA and MCA Solutions Descriptive Analysis of Personal Feelings Domain Rotation and Structure of Data Conclusion Item Difficulty and Response Quality Descriptive Analysis of Political Efficacy Domain Detecting Patterns with Subset Multiple Correspondence Analysis Moderator Effects
