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Lieke Kooij
Amsterdam University Medical Centers (location AMC), Amsterdam, Netherlands
Presenter
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Irma Heijn
Amsterdam University Medical Centers (location AMC), Amsterdam, Netherlands
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Samantha Bouwmeester
Out of the Boxplot
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Ramón Lindauer
Amsterdam University Medical Centers (location AMC), Amsterdam, Netherlands
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Abstract
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Introduction: Trauma-Focused Cognitive Behavioral Therapy (TF-CBT) has proven an effective therapy for children suffering from posttraumatic stress symptoms. Further research is needed to deepen our understanding of symptom changes throughout therapy. Accordingly, therapists can be supported in tailoring the therapy to meet the child’s specific needs. A Single-Case Experimental Design (SCED) is used to evaluate the changes and impact of TF-CBT.
Methods: A detailed SCED design with repetitive baseline is presented. Pre-and post-measurement were based on the clinician administrated interview (CAPS-CA). Trauma-, anxiety-, depression symptoms, traumatic cognitions, and parent-child interaction were assessed using standardized self-report questionnaires after each phase (six time points). The most prominent symptoms for each participant were assessed weekly over the course of the full therapy. Session reports were included, to gain insight and evaluate the therapy's progress.
Results and Discussion: Eight participants (ages 14-21) are included in the study, and their characteristics are described. A significant decrease is reported in the pre- and post-assessment of trauma symptoms. Friedman's ANOVA analysis show significant changes in trauma (p < .001), anxiety (p = .03), and depressive symptoms (p = .05). Group-level changes throughout the phases are presented, along with graphical visualizations of each individual symptom during the baseline and full course of the therapy (range = 25-70 weeks). This research bridges a gap between controlled trials and practical, individualized care, making use of a SCED design to systematically explore the changes occurring during TF-CBT. This offers a detailed insight in the therapeutic process. Limitations and clinical implications are discussed.
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