Date of Submission

2025

Degree Type

Dissertation

Degree Name

Doctor of Psychology (PsyD)

Department

Psychology

Department Chair

Stephanie H. Felgoise, PhD, ABPP

First Advisor

Barbara Golden, PsyD, ABPP

Second Advisor

Robert A. DiTomasso, PhD, ABPP

Third Advisor

Michael Roberts, PsyD

Abstract

Postpartum depression is the most prevalent psychological disorder experienced following childbirth, impairs daily functioning, negatively impacts child growth and development, and is linked to maladaptive parent-child interactions. Previous research also suggests a link among distorted thinking, depression symptoms, and interpersonal tension. The current study explores the interplay among postpartum depression symptoms, cognitive distortions, and relationship satisfaction among postpartum individuals. Researchers examined how specific thinking errors, including catastrophizing, mindreading, and labeling, are associated with depression symptoms and relational experiences in the postpartum period. Using a quantitative survey design, data were collected from 90 participants using validated instruments: the Edinburgh Postnatal Depression Scale (EPDS), the Couple Satisfaction Index (CSI), and the Inventory of Cognitive Distortions (ICD). Results indicate a positive relationship between ICD scores and EPDS scores. Further, higher ratings of PPD symptoms and ICD scores were associated with CSI scores. Results also suggest labeling is the strongest positive predictor of PPD symptoms and negative predictor of CSI scores. The current research underscores the importance of integrating effective screening and diagnosis into postpartum care and bolsters the development of targeted interventions aimed at reducing cognitive distortions to improve parental well-being and interpersonal relationships. Implications for early screening, identification, and therapeutic interventions in clinical practice are also discussed.

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