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- Journal Article
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The Ghent psychotherapy study : a pragmatic, stratified, randomized parallel trial into the differential efficacy of psychodynamic and cognitive-behavioral interventions in dependent and self-critical depressive patients
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- Journal Article
- A1
- open access
Depressive personality traits and temperament and character personality traits in a clinical sample : results from regression and network analyses
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What is it like to be the object of research? On meaning making in self-report measurement and validity of data in psychotherapy research
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When quantitative measures become a qualitative storybook : a phenomenological case analysis of validity and performativity of questionnaire administration in psychotherapy research
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- Journal Article
- A1
- open access
How questionnaires shape experienced symptoms : a qualitative case comparison study of questionnaire administration in psychotherapy research
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What too strict a method obscures about the validity of outcome measures
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Validity of data as precondition for evidence : a methodological analysis of what is taken to count as evidence in psychotherapy research
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- Journal Article
- A2
- open access
The lack of failure reports in published psychotherapy case studies : implications for dis-‘illusioning’ of research and practice
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Evidence for the non-evidenced : an argument for integrated methods and conceptual discussion on what needs to be evidenced in psychotherapy research
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What 'Good outcome' means to patients : understanding recovery and improvement in psychotherapy for major depression from a mixed-methods perspective
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Working through childhood trauma-related interpersonal patterns in psychodynamic treatment : an evidence-based case study
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Change processes underlying 'good outcome' : a qualitative study on recovered and improved patients’ experiences in psychotherapy for major depression
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Lacanian talking therapy considered closely : a qualitative study.
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- Journal Article
- A1
- open access
To manualize, or not to manualize : is that still the question? A systematic review of empirical evidence for manual superiority in psychological treatment
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Coercion and power in psychiatry : a qualitative study with ex-patients
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- Journal Article
- A1
- open access
No change? A grounded theory analysis of depressed patients' perspectives on non-improvement in psychotherapy
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Dwang en macht in de psychiatrie : een kwalitatieve studie met ex-patiënten
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- Journal Article
- A1
- open access
Validity beyond measurement : why psychometric validity is insufficient for valid psychotherapy research
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- PhD Thesis
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The story of ‘the data’ : on validity of data and performativity of research participation in psychotherapy research
(2019) -
- Conference Paper
- C3
- open access
How valid is our understanding of validity? Data collection, inference, ontology and methodological heuristics in psychotherapy research