Employing open/hidden administration in psychotherapy research: A randomized-controlled trial of expressive writing

• Theresa Tondorf,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliations Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland, Clinical Psychology and Psychotherapy, Institute of Psychology, University of Zurich, Zurich, Switzerland

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• Lisa-Katrin Kaufmann,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration

  Affiliation Clinical Psychology and Psychotherapy, Institute of Psychology, University of Zurich, Zurich, Switzerland

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• Alexander Degel,

  Roles Conceptualization, Data curation, Formal analysis, Methodology, Project administration, Resources, Software

  Affiliation Clinical Psychology and Psychotherapy, Institute of Psychology, University of Zurich, Zurich, Switzerland

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• Cosima Locher,

  Roles Formal analysis, Resources, Supervision, Writing – original draft, Writing – review & editing

  Affiliation Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland

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• Johanna Birkhäuer,

  Roles Methodology, Writing – review & editing

  Affiliation Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland

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• Heike Gerger,

  Roles Methodology, Writing – original draft, Writing – review & editing

  Affiliation Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland

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• Ulrike Ehlert,

  Roles Funding acquisition, Resources, Writing – original draft, Writing – review & editing

  Affiliation Clinical Psychology and Psychotherapy, Institute of Psychology, University of Zurich, Zurich, Switzerland

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• Jens Gaab

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: jens.gaab@unibas.ch

  Affiliation Clinical Psychology and Psychotherapy, Department of Psychology, University of Basel, Basel, Switzerland

  http://orcid.org/0000-0002-9194-8491

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