Interpersonal Subtypes and Therapy Response in Patients Treated for Posttraumatic Stress Disorder

König, Julia; Onnen, Margarete; Karl, Regina; Rosner, Rita; Butollo, Willi

doi:10.1002/cpp.1946

Cited by 10 publications

(4 citation statements)

References 26 publications

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“…This ties in with earlier results: in a study comparing CPT to prolonged exposure, younger patients profited more from CPT than older ones while the reverse was true for prolonged exposure [56]. In a different set of analyses with our sample, we also found that the efficacy of DET was less dependent on patient characteristics: while pre-post differences in CPT were correlated with patient interpersonal dominance, this was not true for DET [57]. It is possible that the reliance of CPT on written work makes it easier for younger people to engage.…”

Section: Discussionsupporting

confidence: 66%

A Randomized Controlled Clinical Trial of Dialogical Exposure Therapy versus Cognitive Processing Therapy for Adult Outpatients Suffering from PTSD after Type I Trauma in Adulthood

Butollo

Karl²,

König³

et al. 2015

Psychother Psychosom

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Background: Although there are effective treatments for posttraumatic stress disorder (PTSD), there is little research on treatments with non-cognitive-behavioural backgrounds, such as gestalt therapy. We tested an integrative gestalt-derived intervention, dialogical exposure therapy (DET), against an established cognitive-behavioural treatment (cognitive processing therapy, CPT) for possible differential effects in terms of symptomatic outcome and drop-out rates. Methods: We randomized 141 treatment-seeking individuals with a diagnosis of PTSD to receive either DET or CPT. Therapy length in both treatments was flexible with a maximum duration of 24 sessions. Results: Dropout rates were 12.2% in DET and 14.9% in CPT. Patients in both conditions achieved significant and large reductions in PTSD symptoms (Impact of Event Scale - Revised; Hedges' g = 1.14 for DET and d = 1.57 for CPT) which were largely stable at the 6-month follow-up. At the posttreatment assessment, CPT performed statistically better than DET on symptom and cognition measures. For several outcome measures, younger patients profited better from CPT than older ones, while there was no age effect for DET. Conclusions: Our results indicate that DET merits further research and may be an alternative to established treatments for PTSD. It remains to be seen whether DET confers advantages in areas of functioning beyond PTSD symptoms.

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Section: Discussionsupporting

confidence: 66%

A Randomized Controlled Clinical Trial of Dialogical Exposure Therapy versus Cognitive Processing Therapy for Adult Outpatients Suffering from PTSD after Type I Trauma in Adulthood

Butollo

Karl²,

König³

et al. 2015

Psychother Psychosom

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“…Some authors simply used the eight raw octant scores of interpersonal problems(Dammann et al, 2016;Gerhart, Baker, Hoerger, & Ronan, 2014;Quinlan, Deane, Crowe, & Caputi, 2018;Wilson, Stroud, & Durbin, 2017). Others scored the quadrants(König, Onnen, Karl, Rosner, & Butollo, 2016) or cluster analyzed IPC-based scores(Cain et al, 2010).…”

mentioning

confidence: 99%

The latent structure of interpersonal problems: Validity of dimensional, categorical, and hybrid models.

Wendt

Wright

Pilkonis

et al. 2019

Journal of Abnormal Psychology

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Interpersonal problems are key transdiagnostic constructs in psychopathology. In the past, investigators have neglected the importance of operationalizing interpersonal problems according to their latent structure by using divergent representations of the construct: (a) computing scores for severity, agency, and communion (“dimensional approach”), (b) classifying persons into subgroups with respect to their interpersonal profile (“categorical approach”). This hinders cumulative research on interpersonal problems, because findings cannot be integrated both from a conceptual and a statistical point of view. We provide a comprehensive evaluation of interpersonal problems by enlisting several large samples (Ns = 5,400, 491, 656, and 712) to estimate a set of latent variable candidate models, covering the spectrum of purely dimensional (i.e., confirmatory factor analysis using Gaussian and nonnormal latent t-distributions), hybrid (i.e., semiparametric factor analysis), and purely categorical approaches (latent class analysis). Statistical models were compared with regard to their structural validity, as evaluated by model fit (corrected Akaike’s information criterion and the Bayesian information criterion), and their concurrent validity, as defined by the models’ ability to predict relevant external variables. Across samples, the fully dimensional model performed best in terms of model fit, prediction, robustness, and parsimony. We found scant evidence that categorical and hybrid models provide incremental value for understanding interpersonal problems. Our results indicate that the latent structure of interpersonal problems is best represented by continuous dimensions, especially when one allows for nonnormal latent distributions.

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“…In the field of psychology circular data can be found in research on the visual perception of space (Matsushima, Vaz, Cazuza, & Ribeiro Filho, 2014), moving room experiments (Stoffregen, Bardy, Merhi, & Oullier, 2004), visual working memory experiments (Heyes, Zokaei, & Husain, 2016), movement synchronization (Kirschner & Tomasello, 2009; Ouwehand & Peper, 2015) and cognitive maps (Brunyé, Burte, Houck, & Taylor, 2015). Measurements on the interpersonal circumplex can also be regarded as circular data (König, Onnen, Karl, Rosner, & Butollo, 2016; Santos, Vandenberghe, & Tavares, 2015; Wright, Pincus, Conroy, & Hilsenroth, 2009; Zilcha‐Mano et al ., 2015). In general, circular variables measure directions, are circumplex scales, or are a measure of periodic (weekly, daily, hourly, etc.)…”

Section: Introductionmentioning

confidence: 99%

Circular interpretation of regression coefficients

Cremers

Mulder

Klugkist

2017

Brit J Math & Statis

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The interpretation of the effect of predictors in projected normal regression models is not straight‐forward. The main aim of this paper is to make this interpretation easier such that these models can be employed more readily by social scientific researchers. We introduce three new measures: the slope at the inflection point (b c), average slope (AS) and slope at mean (SAM) that help us assess the marginal effect of a predictor in a Bayesian projected normal regression model. The SAM or AS are preferably used in situations where the data for a specific predictor do not lie close to the inflection point of a circular regression curve. In this case b c is an unstable and extrapolated effect. In addition, we outline how the projected normal regression model allows us to distinguish between an effect on the mean and spread of a circular outcome variable. We call these types of effects location and accuracy effects, respectively. The performance of the three new measures and of the methods to distinguish between location and accuracy effects is investigated in a simulation study. We conclude that the new measures and methods to distinguish between accuracy and location effects work well in situations with a clear location effect. In situations where the location effect is not clearly distinguishable from an accuracy effect not all measures work equally well and we recommend the use of the SAM.

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Interpersonal Subtypes and Therapy Response in Patients Treated for Posttraumatic Stress Disorder

Cited by 10 publications

References 26 publications

A Randomized Controlled Clinical Trial of Dialogical Exposure Therapy versus Cognitive Processing Therapy for Adult Outpatients Suffering from PTSD after Type I Trauma in Adulthood

A Randomized Controlled Clinical Trial of Dialogical Exposure Therapy versus Cognitive Processing Therapy for Adult Outpatients Suffering from PTSD after Type I Trauma in Adulthood

The latent structure of interpersonal problems: Validity of dimensional, categorical, and hybrid models.

Circular interpretation of regression coefficients

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