The Practice of Research in Social Work 4e 2 3 The Practice of Research in Social Work 4e Rafael J. Engel University of Pittsburgh Russell K. Schutt University of Massachusetts Boston 4 FOR INFORMATION: SAGE Publications, Inc. 2455 Teller Road Thousand Oaks, California 91320 E-mail: [email protected] SAGE Publications Ltd. 1 Oliver’s Yard 55 City Road London EC1Y 1SP United Kingdom SAGE Publications India Pvt. Ltd. B 1/I 1 Mohan Cooperative Industrial Area Mathura Road, New Delhi 110 044 India SAGE Publications Asia-Pacific Pte. Ltd. 3 Church Street #10-04 Samsung Hub Singapore 049483 Copyright © 2017 by SAGE Publications, Inc. All rights reserved. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. Library of Congress Cataloging-in-Publication Data Names: Engel, Rafael J., author. | Schutt, Russell K., author. Title: The practice of research in social work / Rafael J. Engel, Russell K. Schutt. Description: Fourth edition. | Thousand Oaks, California: SAGE, [2017] | Includes bibliographical references and index. 5 Identifiers: LCCN 2015038935 | ISBN 978-1-5063-0426-7 (pbk.: alk. paper) Subjects: LCSH: Social service—Research. Classification: LCC HV11.E57 2017 | DDC 361.3072—dc23 LC record available at http://lccn.loc.gov/2015038935 This book is printed on acid-free paper. Acquisitions Editor: Jerry Westby eLearning Editor: Gabrielle Piccininni Editorial Assistant: Laura Kirkhuff Production Editor: Libby Larson Copy Editor: Kristin Bergstad Typesetter: C&M Digitals (P) Ltd. Proofreader: Wendy Jo Dymond Indexer: Joan Shapiro Cover Designer: Anupama Krishnan Marketing Manager: Shari Countryman 6 Brief Contents Preface Acknowledgments 1. Science, Society, and Social Work Research 2. The Process of Social Work Research 3. Ethical and Scientific Guidelines for Social Work Research 4. Measurement 5. Sampling 6. Causation and Research Design 7. Group Experimental Designs 8. Single-Subject Design 9. Survey Research 10. Qualitative Methods 11. Qualitative Data Analysis 12. Secondary Data Analysis and Mixed Methods 13. Evaluation Research 14. Quantitative Data Analysis 15. Reporting Research Appendix A. Questions to Ask About a Quantitative Research Article Appendix B. How to Read a Quantitative Research Article Appendix C. Questions to Ask About a Qualitative Research Article Appendix D. How to Read a Qualitative Research Article On the Study Site Appendix E. Reviewing Inferential Statistics Glossary References Index About the Authors 7 Detailed Contents 1. Preface 2. Acknowledgments 3. 1. Science, Society, and Social Work Research 1. Reasoning About the Social World 2. Everyday Errors in Reasoning 1. Selective or Inaccurate Observation 2. Overgeneralization 3. Illogical Reasoning 4. Resistance to Change 5. Adherence to Authority 3. The Social Scientific Approach 4. Social Work and the Social World 5. Social Work Research and Evidence-Based Practice 6. Research in the News: Why Did New York City’s Homeless Population Increase? 7. Social Work Research in Practice 1. Descriptive Research 1. Example: Who Are the Homeless? 2. Exploratory Research 1. Example: How Do the Homeless Adapt to Shelter Life? 3. Explanatory Research 1. Example: What Community-Level Factors Cause Homelessness? 4. Evaluation Research 1. Example: Should Housing or Treatment Come First? 8. Alternative Research Orientations 1. Quantitative and/or Qualitative Methods 2. Positivist or Constructionist Philosophies 3. Researcher or Participatory Orientation 9. Social Work Research in a Diverse Society 10. Conclusion 11. Key Terms 12. Highlights 13. Discussion Questions 14. Practice Exercises 15. Web Exercise 16. Developing a Research Proposal 17. A Question of Ethics 4. 2. The Process of Social Work Research 8 1. Social Work Research Questions 1. Identifying Social Work Research Questions 2. Refining Social Work Research Questions 3. Evaluating Social Work Research Questions 1. Social Importance 2. Scientific Relevance 3. Feasibility 2. Consider Social Diversity When Formulating a Question 3. Foundations of Social Work Research 1. Searching the Literature 2. Reviewing Research 4. Implications for Evidence-Based Practice 1. Campbell Collaboration and Cochrane Community 2. Government-Supported Resources 5. Theory and Social Work Research 6. Alternative Research Strategies 7. Research in the News: Does Money Buy Happiness? 1. Deductive Research 1. Domestic Violence and the Research Circle 2. Inductive Research 1. An Inductive Approach to Explaining Domestic Violence 2. Exploratory Research 3. Descriptive Research 8. Social Research Standards 1. Measurement Validity 2. Generalizability 3. Causal Validity 4. Authenticity 9. Conclusion 10. Key Terms 11. Highlights 12. Discussion Questions 13. Practice Exercises 14. Web Exercises 15. Developing a Research Proposal 5. 3. Ethical and Scientific Guidelines for Social Work Research 1. Research on People 2. Historical Background 3. Research in the News: Is It Ethical Science? 4. Ethical Principles 9 1. Protecting Research Participants 1. Avoid Harming Research Participants 2. Obtain Informed Consent 3. Maintain Privacy and Confidentiality 2. Honesty and Openness 3. Achieving Valid Results 4. The Use of Research 5. Institutional Review Board Reviews 6. Internet Research 7. Scientific Guidelines for Social Work Research 8. Conclusion 9. Key Terms 10. Highlights 11. Discussion Questions 12. Practice Exercises 13. Web Exercises 14. Developing a Research Proposal 6. 4. Measurement 1. Concepts 1. Conceptualization in Practice 1. Alcohol Abuse 2. Depression 3. Poverty 2. From Concepts to Observations 3. Research in the News: How to Measure Race and Ethnicity in America? 1. Operationalization 2. Scales to Measure Variables 3. Treatment as a Variable 4. Gathering Data 5. Combining Measurement Operations 6. Measurement in Qualitative Research 4. Levels of Measurement 1. Nominal Level of Measurement 2. Ordinal Level of Measurement 3. Interval Level of Measurement 4. Ratio Level of Measurement 5. The Case of Dichotomies 6. Types of Comparisons 5. Measurement Error 6. Assessing Measurement Accuracy 10