Modelling Temporal Characteristics of Affect and Self-esteem by Means of Mixed-Latent-State-Trait-Models Exemplified by the Borderline Personality Disorder

The project at a glance

Start date:

01 Dec 2016
Duration in months:

48
Funding:

German Research Foundation
Principal Investigator(s):

Philip SANTANGELO

About

In this study, we use high sampling-frequency ambulatory assessment with hourly e-diary assessments to examine disorder mechanisms in the daily life of patients with borderline personality disorder (BPD), those with anxiety disorders, and healthy controls. We are mostly interested in affective instability, self-esteem instability, and the temporal interplay of these two constructs in participants’ daily lives. Our analyses of instability combine proven statistical instability indices with state-of-the-art multilevel models. We primarily aim at revealing BPD-specific patterns of instability and at differentiating them from transdiagnostic mechanisms. Furthermore, we investigate the states leading up to and following instances of dysfunctional behavior, such as nonsuicidal self-injury.

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