All Stories

  1. Assessment of selective reporting biases in studies included in Campbell Systematic Reviews: A systematic review

    Article • September 2025, Center for Open Science

    Julia Littell

  2. Assessment of selective reporting biases in studies included in Campbell Systematic Reviews: A systematic review

    Article • June 2025, Center for Open Science

    Julia Littell

  3. Assessment of reporting biases in studies included in Campbell Systematic Reviews: A systematic review

    Article • April 2025, Center for Open Science

    Julia Littell

  4. PROTOCOL: Abortion and mental health outcomes: A systematic review and meta‐analysis

    Article • Campbell Systematic Reviews, May 2024, Wiley

    Julia Littell

  5. Protocol: Abortion and mental health outcomes: A systematic review and meta-analysis

    Article • April 2024, Center for Open Science

    Julia Littell

  6. Assessment of outcome reporting bias in studies included in Campbell systematic reviews: Protocol

    Article • March 2024, Center for Open Science

    Julia Littell

  7. Correcting the scientific record on abortion and mental health outcomes

    Article • February 2024, Center for Open Science

    Dr Chelsea B Polis, Julia Littell

  8. The logic of generalization from systematic reviews and meta-analyses of impact evaluations

    Article • February 2024, Center for Open Science

    Julia Littell

  9. The science and practice of research synthesis: Why narrative and rapid reviews can be misleading. Invited presentations at University of the Free State, Bloemfontein, and The Presidency, Pretoria, South Africa on 1 and 3 August 2011.

    Article • February 2024, Center for Open Science

    Julia Littell

  10. The Logic of Generalization From Systematic Reviews and Meta-Analyses of Impact Evaluations

    Article • Evaluation Review, January 2024, SAGE Publications

    Julia Littell

  11. Functional Family Therapy for families of youth (age 11–18) with behaviour problems: A systematic review and meta‐analysis

    Article • Campbell Systematic Reviews, July 2023, Wiley

    Julia Littell

  12. PROTOCOL: Assessment of outcome reporting bias in studies included in Campbell systematic reviews

    Article • Campbell Systematic Reviews, May 2023, Wiley

    Julia Littell

  13. Introducing an online training course in Campbell systematic review methods

    Article • Campbell Systematic Reviews, January 2023, Wiley

    Julia Littell

  14. The Campbell Collaboration’s systematic review of school-based anti-bullying interventions does not meet mandatory methodological standards

    Article • Systematic Reviews, July 2022, Springer Science + Business Media

    Julia Littell

  15. Multisystemic Therapy® for social, emotional, and behavioural problems in youth age 10 to 17: An updated systematic review and meta‐analysis

    Article • Campbell Systematic Reviews, October 2021, Wiley

    Julia Littell

  16. Priming the pump at the Campbell Business and Management Coordinating Group

    Article • Campbell Systematic Reviews, March 2021, Wiley

    Julia Littell

  17. The methodological and reporting characteristics of Campbell reviews: A systematic review

    Article • Campbell Systematic Reviews, February 2021, Wiley

    Julia Littell

  18. Guidance for producing a Campbell evidence and gap map

    Article • Campbell Systematic Reviews, November 2020, Wiley

    Julia Littell

  19. Evidence Synthesis International (ESI): Position Statement

    Article • Systematic Reviews, July 2020, Springer Science + Business Media

    Dr. Hans Lund, Julia Littell

  20. PROTOCOL: The methodological and reporting characteristics of Campbell reviews: a methodological systematic review

    Article • Campbell Systematic Reviews, June 2019, Wiley

    Julia Littell

  21. Conceptual and practical classification of research reviews and other evidence synthesis products

    Article • Campbell Systematic Reviews, January 2018, Wiley

    Julia Littell

  22. Introduction to the Special Issue on Campbell Collaboration Systematic Reviews

    Article • Research on Social Work Practice, August 2017, SAGE Publications

    Julia Littell

  23. The Campbell Collaboration

    Article • Research on Social Work Practice, May 2017, SAGE Publications

    Julia Littell

  24. Functional Family Therapy for families of youth (age 11-18) with behaviour problems

    Article • Cochrane Database of Systematic Reviews, January 2017, Wiley

    Julia Littell

  25. Psychosocial interventions for adults who were sexually abused as children

    Article • Cochrane Database of Systematic Reviews, January 2017, Wiley

    Julia Littell

  26. The end of the wormwars?

    Article • September 2016, Wiley

    Julia Littell

  27. Systematic Reviews

    Article • September 2013, Oxford University Press (OUP)

    Julia Littell

  28. Meta-Analysis

    Article • June 2013, Oxford University Press (OUP)

    Julia Littell

  29. Guest Editor’s Introduction to Special Issue: The Science and Practice of Research Synthesis

    Article • Journal of the Society for Social Work and Research, January 2013, University of Chicago Press

    Julia Littell

  30. PROTOCOL: The Therapeutic Alliance and Psychotherapy Outcomes for Young Adults Aged 18 to 34: Protocol for a Systematic Review

    Article • Campbell Systematic Reviews, January 2013, Wiley

    Julia Littell

  31. Psychosocial interventions for adults who were sexually abused as children

    Article • September 2012, Wiley

    Julia Littell

  32. Abortion and mental health: guidelines for proper scientific conduct ignored

    Article • The British Journal of Psychiatry, January 2012, Royal College of Psychiatrists

    Julia Littell

  33. The Role of Systematic Reviews and the Campbell Collaboration in the Realization of Evidence-Informed Practice

    Article • Clinical Social Work Journal, December 2010, Springer Science + Business Media

    Julia Littell

  34. Making Sense of Meta-Analysis: A Critique of “Effectiveness of Long-Term Psychodynamic Psychotherapy”

    Article • Clinical Social Work Journal, November 2010, Springer Science + Business Media

    Julia Littell

  35. 11. Pulling Together Research Studies to Inform Social Work Practice The Science of Research Synthesis

    Article • January 2010, Columbia University Press

    Julia Littell

  36. Do haphazard reviews provide sound directions for dissemination efforts?

    Article • American Psychologist, January 2010, American Psychological Association (APA)

    Julia Littell

  37. A framework for mandatory impact evaluation to ensure well informed public policy decisions

    Article • The Lancet, January 2010, Elsevier

    Julia Littell, David Weisburd

  38. Toward Evidence-Informed Policy and Practice in Child Welfare

    Article • Research on Social Work Practice, December 2009, SAGE Publications

    Julia Littell

  39. Evidence-based or biased? The quality of published reviews of evidence-based practices

    Article • Children and Youth Services Review, November 2008, Elsevier

    Julia Littell

  40. How Do We Know What Works? The Quality of Published Reviews of Evidence-Based Practices

    Article • May 2008, Oxford University Press (OUP)

    Julia Littell

  41. Systematic Reviews and Meta-Analysis

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  42. Formulating a Topic and Developing a Protocol

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  43. Data Extraction and Study Quality Assessment

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  44. Effect Size Metrics and Pooling Methods

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  45. Assessing Bias and Variations in Effects

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  46. Introduction

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  47. Conclusions

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  48. Locating and Screening Studies

    Article • March 2008, Oxford University Press (OUP)

    Professor Vijayan K Pillai, Julia Littell

  49. Study Quality Assessment in Systematic Reviews of Research on Intervention Effects

    Article • Research on Social Work Practice, February 2008, SAGE Publications

    Julia Littell

  50. Functional Family Therapy for families of youth (age 11-18) with behaviour problems

    Article • April 2007, Wiley

    Julia Littell

  51. Correlates of problem recognition and intentions to change among caregivers of abused and neglected children

    Article • Child Abuse & Neglect, December 2006, Elsevier

    Julia Littell

  52. The case for Multisystemic Therapy: Evidence or orthodoxy?

    Article • Children and Youth Services Review, April 2006, Elsevier

    Julia Littell

  53. Multisystemic Therapy for social, emotional, and behavioral problems in youth aged 10-17

    Article • Cochrane Database of Systematic Reviews, October 2005, Wiley

    Julia Littell

  54. Multisystemic therapy for social, emotional, and behavioral problems in youth aged 10-17

    Article • September 2005, The Campbell Collaboration

    Julia Littell

  55. Lessons from a systematic review of effects of multisystemic therapy

    Article • Children and Youth Services Review, April 2005, Elsevier

    Julia Littell

  56. Caregivers’ readiness for change: predictive validity in a child welfare sample

    Article • Child Abuse & Neglect, January 2005, Elsevier

    Julia Littell

  57. What Works Best For Whom? A Closer Look at Intensive Family Preservation Services

    Article • Children and Youth Services Review, September 2002, Elsevier

    Julia Littell

  58. Stages of Change

    Article • Behavior Modification, April 2002, SAGE Publications

    Julia Littell

  59. Client Participation: Central and Underinvestigated Elements of Intervention

    Article • Social Service Review, March 2001, University of Chicago Press

    Julia Littell

  60. A Multilevel Model of Client Participation in Intensive Family Preservation Services

    Article • Social Service Review, September 2000, University of Chicago Press

    Julia Littell

  61. Innovations in Child Welfare

    Article • February 1999, Oxford University Press (OUP)

    Julia Littell

  62. Putting Families First: An Experiment in Family Preservation

    Article • Journal of Marriage and Family, November 1995, JSTOR

    Julia Littell

  63. Evidence or Assertions? The Outcomes of Family Preservation Services

    Article • Social Service Review, June 1995, University of Chicago Press

    Julia Littell

  64. Implementation issues

    Article • Children and Youth Services Review, January 1992, Elsevier

    Julia Littell

  65. Randomized Controlled Trials for Evaluation and Planning

    Article • SAGE Publications

    Julia Littell

  66. Evidence-based practice: Evidence or orthodoxy?

    Article • American Psychological Association (APA)

    Julia Littell