Method 4th Title_Method 4th Title_Paper_8.5x11 10/19/15 12:39 PM Page 2 ethodological M I ssues & trategies S in linical C esearch R Fourth Edition Edited by Alan E. Kazdin American Psychological Association Washington, DC Method 4th Title_Method 4th Title_Paper_8.5x11 10/19/15 12:39 PM Page 1 ethodological M I ssues & trategies S in linical C esearch R Fourth Edition Copyright © 2016 by the American Psychological Association. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, including, but not limited to, the process of scanning and digitization, or stored in a database or retrieval system, without the prior written permission of the publisher. Chapter 31 was written by employees of the National Institutes of Health and is in the public domain. Published by American Psychological Association 750 First Street, NE Washington, DC 20002 www.apa.org To order APA Order Department P.O. Box 92984 Washington, DC 20090-2984 Tel: (800) 374-2721; Direct: (202) 336-5510 Fax: (202) 336-5502; TDD/TTY: (202) 336-6123 Online: www.apa.org/pubs/books E-mail: [email protected] In the U.K., Europe, Africa, and the Middle East, copies may be ordered from American Psychological Association 3 Henrietta Street Covent Garden, London WC2E 8LU England Typeset in Berkeley by Circle Graphics, Inc., Columbia, MD Printer: Sheridan Books, Inc., Ann Arbor, MI Cover Designer: Minker Design, Sarasota, FL The opinions and statements published are the responsibility of the authors, and such opinions and statements do not necessarily represent the policies of the American Psychological Association. Library of Congress Cataloging-in-Publication Data Names: Kazdin, Alan E. Title: Methodological issues and strategies in clinical research / [edited by] Alan E. Kazdin. Description: 4th edition. | Washington, DC : American Psychological Association, [2016] | Includes bibliographical references and index. Identifiers: LCCN 2015017881| ISBN 9781433820915 (hc : alk. paper) | ISBN 978-1-4338-2092-2 (pbk. alk paper) | ISBN 1433820919 (hc : alk. paper) | ISBN 1433820927 pbk. alk. paper Subjects: LCSH: Clinical psychology—Research—Methodology. Classification: LCC RC467.8 .M48 2016 | DDC 616.890072—dc23 LC record available at http://lccn.loc.gov/2015017881 British Library Cataloguing-in-Publication Data A CIP record is available from the British Library. Printed in the United States of America Fourth Edition http://dx.doi.org/10.1037/14805-000 Contents Contributors ............................................................ xi Preface ................................................................. xv Part I. Introduction: Overview and Background ............................. 1 Chapter 1. Methodology: What It Is and Why It Is so Important .................... 3 Alan E. Kazdin Part II. Beginning the Research Process .................................... 23 Research Ideas ..................................................... 27 Chapter 2. Beginning the Research Process: Key Concepts That Can Guide a Study ........................................................ 29 Alan E. Kazdin Chapter 3. Getting Out of Our Conceptual Ruts: Strategies for Expanding Conceptual Frameworks .......................................... 55 Allan W. Wicker Chapter 4. Translational Research ............................................ 69 Michael T. Bardo and Mary Ann Pentz Foci of Research ................................................... 85 Chapter 5. In Defense of External Invalidity .................................... 87 Douglas G. Mook Chapter 6. When Small Effects Are Impressive .................................. 99 Deborah A. Prentice and Dale T. Miller Part III. Sampling and Assigning Participants to Conditions ................... 107 Samples and Selection of Participants ................................... 111 Chapter 7. Most People Are Not WEIRD ...................................... 113 Joseph Henrich, Steven J. Heine, and Ara Norenzayan Chapter 8. The Neglected 95%: Why American Psychology Needs to Become Less American .................................................. 115 Jeffrey J. Arnett v Contents Chapter 9. Amazon’s Mechanical Turk: A New Source of Inexpensive, Yet High-Quality, Data? ........................................... 133 Michael Buhrmester, Tracy Kwang, and Samuel D. Gosling Randomization and Group Equivalence ................................. 141 Chapter 10. Random Sampling, Randomization, and Equivalence of Contrasted Groups in Psychotherapy Outcome Research ......................... 143 Louis M. Hsu Research Design Options ............................................. 153 Chapter 11. Experimental and Observational Designs: An Overview ................. 155 Alan E. Kazdin Part IV. Assessment .................................................... 181 Measurement Development, Reliability, and Validity ....................... 185 Chapter 12. Constructing Validity: Basic Issues in Objective Scale Development ....... 187 Lee Anna Clark and David Watson Chapter 13. Selecting Measures for Research Investigations ........................ 205 Alan E. Kazdin Chapter 14. Measurement and Assessment: An Editorial View ..................... 227 Cecil R. Reynolds Measurement Among Diverse Samples .................................. 233 Chapter 15. Methodological Issues in Assessment Research With Ethnic Minorities .......................................... 235 Sumie Okazaki and Stanley Sue Part V. Data Analysis, Evaluation, and Presentation .......................... 249 Background and Underpinnings of Data Analyses ......................... 255 Chapter 16. On the Origins of the .05 Level of Statistical Significance ................ 257 Michael Cowles and Caroline Davis Chapter 17. Things I Have Learned (So Far) ................................... 265 Jacob Cohen Null Hypotheses Testing, Meta-Analysis, and Bayesian Statistics. . . . . . . . . . . . . . 277 Chapter 18. A Power Primer ................................................ 279 Jacob Cohen Chapter 19. Statistical Significance Testing and Cumulative Knowledge in Psychology: Implications for Training of Researchers ................. 285 Frank L. Schmidt Chapter 20. An Effect Size Primer: A Guide for Clinicians and Researchers ........... 301 Christopher J. Ferguson vi Contents Chapter 21. The Proof of the Pudding: An Illustration of the Relative Strengths of Null Hypothesis, Meta-Analysis, and Bayesian Analysis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 George S. Howard, Scott E. Maxwell, and Kevin J. Fleming Data Presentation .................................................. 331 Chapter 22. Designing Better Graphs by Including Distributional Information and Integrating Words, Numbers, and Images ........................ 333 David M. Lane and Anikó Sándor Part VI. Special Topics: Evaluation in Clinical Practice and Research ........... 355 Assessment and Evaluation in Clinical Work ............................. 359 Chapter 23. Collecting Client Feedback ....................................... 361 Michael J. Lambert and Kenichi Shimokawa Chapter 24. Revisiting and Reenvisioning the Outcome Problem in Psychotherapy: An Argument to Include Individualized and Qualitative Measurement ..................................... 373 Clara E. Hill, Harold Chui, and Ellen Baumann Evaluating Interventions ............................................. 387 Chapter 25. Beyond Efficacy and Effectiveness: A Multifaceted Approach to Treatment Evaluation ......................................... 389 Timothy D. Nelson and Ric G. Steele Chapter 26. Methodological Challenges in Treatment Outcome Research With Ethnic Minorities .......................................... 403 Anna S. Lau, Doris F. Chang, and Sumie Okazaki Part VII. Multiple Methodologies ......................................... 415 Chapter 27. The Epistemology of Mathematical and Statistical Modeling: A Quiet Methodological Revolution ................................ 419 Joseph Lee Rodgers Chapter 28. Qualitative Research and Its Place in Psychological Science .............. 437 Anna Madill and Brendan Gough Chapter 29. Single-Case Experimental Research Designs .......................... 459 Alan E. Kazdin Part VIII. Ethical Issues and Scientific Integrity ............................. 485 Guidelines and Codes ............................................... 493 Chapter 30. Ethical Principles of Psychologists and Code of Conduct ................ 495 American Psychological Association Chapter 31. Research Ethics: How to Treat People Who Participate in Research ................................................... 513 Ezekiel Emanuel, Emily Abdoler, and Leanne Stunkel vii Contents Chapter 32. Research Ethics for Mental Health Science Involving Ethnic Minority Children and Youths ............................................ 525 Celia B. Fisher, Kimberly Hoagwood, Cheryl Boyce, Troy Duster, Deborah A. Frank, Thomas Grisso, Robert J. Levine, Ruth Macklin, Margaret Beale Spencer, Ruby Takanishi, Joseph E. Trimble, and Luis H. Zayas Questionable Research Practices, Fraud, and Professional Responsibilities .................................................... 545 Chapter 33. False-Positive Psychology: Undisclosed Flexibility in Data Collection and Analysis Allows Presenting Anything as Significant .................................................. 547 Joseph P. Simmons, Leif D. Nelson, and Uri Simonsohn Chapter 34. Why Has the Number of Scientific Retractions Increased? ............... 557 R. Grant Steen, Arturo Casadevall, and Ferric C. Fang Chapter 35. Best Practices for Allocating Appropriate Credit and Responsibility to Authors of Multi-Authored Articles .............................. 569 Lucas D. Eggert Part IX. Reproducibility of Findings: Replication and Improving Research Practices .............................................. 577 Chapter 36. Shall We Really Do It Again? The Powerful Concept of Replication Is Neglected in the Social Sciences ................................. 581 Stefan Schmidt Chapter 37. The Empirical March: Making Science Better at Self-Correction .......... 597 Matthew C. Makel Chapter 38. Recommendations for Increasing Replicability in Psychology ............ 607 Jens B. Asendorpf, Mark Conner, Filip de Fruyt, Jan De Houwer, Jaap J. A. Denissen, Klaus Fiedler, Susann Fiedler, David C. Funder, Reinhold Kliegl, Brian A. Nosek, Marco Perugini, Brent W. Roberts, Manfred Schmitt, Marcel A. G. van Aken, Hannelore Weber, and Jelte M. Wicherts Part X. Publication and Communication of Research ......................... 623 Reporting Standards: What to Cover and Include in an Article ............... 627 Chapter 39. Reporting Standards for Research in Psychology: Why Do We Need Them? What Might They Be? ...................... 629 APA Publications and Communications Board Working Group on Journal Article Reporting Standards viii Contents Preparing Articles for Publication ...................................... 645 Chapter 40. Publication and Communication of Research Findings ................. 647 Alan E. Kazdin Chapter 41. Writing a Review Article for Psychological Bulletin .................... 663 Daryl J. Bem Part XI. Perspectives on Methodology ................................... 673 Chapter 42. Methodology: Perspectives and General Lessons to Guide Research ....... 675 Alan E. Kazdin Index .................................................................. 687 About the Editor ........................................................ 703 ix