Clarifying the latent structure and correlates of somatic symptom distress: A bifactor model approach.

2016 ◽  
Vol 28 (1) ◽  
pp. 109-115 ◽  
Author(s):  
Michael Witthöft ◽  
Susanne Fischer ◽  
Fabian Jasper ◽  
Fred Rist ◽  
Urs M. Nater
2016 ◽  
Vol 28 (8) ◽  
pp. 987-1000 ◽  
Author(s):  
Francisco J. Abad ◽  
Miguel A. Sorrel ◽  
Francisco J. Román ◽  
Roberto Colom

2020 ◽  
Author(s):  
Carmen Schaeuffele ◽  
Sophie Luise Homeyer ◽  
Luis Perea ◽  
Lisa Scharf ◽  
Ava Schulz ◽  
...  

The Unified Protocol (UP) as a transdiagnostic intervention has primarily been applied in the treatment of anxiety disorders and in face-to-face-settings. The current study investigated the efficacy of a 10-week internet-based adaptation of the UP for anxiety, depressive, and somatic symptom disorders. N=132 participants were randomized to treatment or waitlist control. Linear mixed effect models revealed significant treatment effects for symptom distress, satisfaction with life, positive/negative affect and markers of anxiety, depression, and somatic symptom burden (within-group Hedges’ g = 0.32-1.38 and between-group g = 0.20-1.11). Treatment gains were maintained at 1- and 6-month-follow-up. Subgroup analyses showed comparable effects in participants with anxiety and depressive disorders. The results strengthen the application of the UP as an internet-based treatment for alleviating symptom distress across emotional disorders. More research on the applicability for single disorders and the mechanisms underlying the effects is needed.


Assessment ◽  
2016 ◽  
Vol 24 (7) ◽  
pp. 932-944 ◽  
Author(s):  
Wendy Zwaanswijk ◽  
Violaine C. Veen ◽  
Paul Vedder

The current study examines a bifactor model for the Youth Psychopathic Traits Inventory (YPI) in a Dutch community sample of adolescents ( N = 2,874). The primary goal was to examine the latent structure of the YPI with a bifactor modeling approach. Furthermore, the study examines the dimensionality and measurement invariance of the YPI. Results show that a bifactor model at subscale level fits the YPI best. The general psychopathy factor influences the 10 subscales of the YPI strongly, indicating that the YPI seems to be rather unidimensional than multidimensional. Nevertheless, the dimensions still explain nearly one third of the variance found. Findings imply that the bifactor model of the YPI should be used when examining relations with outcome variables, with a focus on the total score of the YPI, while factor scores should be reported with caution. Furthermore, the bifactor model appears invariant for gender, age, and ethnic background.


2012 ◽  
Vol 121 (3) ◽  
pp. 725-738 ◽  
Author(s):  
Fabian Jasper ◽  
Wolfgang Hiller ◽  
Fred Rist ◽  
Josef Bailer ◽  
Michael Witthöft

2017 ◽  
Vol 6 (6) ◽  
pp. 434-440 ◽  
Author(s):  
Maryam Kia-Keating ◽  
Unkyung No ◽  
Stephanie Moore ◽  
Michael J. Furlong ◽  
Sabrina Liu ◽  
...  

Effective self-report screening tools for emerging adults are understudied. The present study examined the latent structure of the Depression, Anxiety, and Stress Scales (DASS-21) with U.S. undergraduates. Data were collected from 1,413 undergraduates surveyed online. Three models were tested: (a) a one-factor model, (b) the original correlated three-factor model, and (c) a bifactor model that included a general negative affectivity factor and three specific factors of depression, anxiety, and stress. The bifactor model with three specific orthogonal factors yielded the best fit. All items loaded onto the general negative affectivity factor. This study provides an important evaluation of alternative models of the latent structure of the DASS among U.S. undergraduates, with results supporting it as an assessment of general distress for emerging adults.


2018 ◽  
Vol 9 (2) ◽  
pp. jep.059716 ◽  
Author(s):  
Marta Walentynowicz ◽  
Michael Witthöft ◽  
Filip Raes ◽  
Ilse Van Diest ◽  
Omer Van den Bergh

Psychological accounts of symptom perception put forward that symptom experiences consist of sensory-perceptual and affective-motivational components. This division is also suggested by psychometric studies investigating the latent structure of symptom reporting. To corroborate the view that the general and symptom-specific factors of a bifactor model represent affective and sensory components, respectively, we performed bifactor models applying confirmatory factor analytic approaches to the Patient Health Questionnaire-15 and the Checklist for Symptoms in Daily Life completed by 1053 undergraduate students. Additionally, we explored the association of latent factors with negative affectivity (NA). For both questionnaires, a bifactor model with one general and several symptom-specific factors revealed the best fit to the data. NA yielded large associations with the general factor, but smaller ones with somatic symptom-specific factors in both questionnaires. The observed latent structure supports a distinction between sensory-perceptual and affective-motivational components, and the association between the NA and the general factor confirms the affective tone of the latter.


Leadership ◽  
2013 ◽  
Vol 11 (1) ◽  
pp. 105-125 ◽  
Author(s):  
Marco R Furtner ◽  
John F Rauthmann ◽  
Pierre Sachse

Author(s):  
Pablo Espinosa ◽  
Miguel Clemente

Dark personality traits are predictors of detrimental behavior (e.g., selfishness or violating norms). This research examined the influence dark personality traits on attitudes toward the COVID-19 pandemic and quarantine rules. We determined whether specific dark traits could predict non-compliance, beyond the global measure of dark personality traits. Additionally, previous research suggests that people are more likely to violate rules for the benefits of close relations, rather than for their own self-interests. We examined how this tendency interacts with dark traits. The 823 participants in the study completed measures of the dark triad, moral disengagement, and attitudes toward COVID-19 rules, and responded to vignettes about themselves or close relations escaping quarantine. Using a bifactor model approach, results showed that a general dark factor predicted non-compliance to COVID-19 rules, but that some moral disengagement mechanisms contributed to non-compliance beyond this factor. Vignette results showed that participants were more willing to break quarantine rules for a close relation than for themselves, except for those high in moral disengagement, who broke rules more—regardless of who was involved. These findings have important implications for intervention programs and policies, since individuals with dark traits tend to “selfishly” trespass norms, but anyone can “go beyond the pale, i.e., go outside the limits of acceptable behavior, for a loved one.


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