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Area of Science:

  • Psychology
  • Clinical Psychology
  • Psychometrics

Background:

  • Grief assessment often uses multi-dimensional measures.
  • The Persistent Complex Bereavement Inventory (PC-BI) is a tool used to assess grief.
  • The utility of a global grief measure derived from the PC-BI requires validation.

Purpose of the Study:

  • To examine the validity of a general grief measure derived from the PC-BI.
  • To determine if a single overarching factor explains grief symptom covariation.
  • To support the use of a total scale score for grief assessment.

Main Methods:

  • Online survey administered to 180 bereaved adults.
  • Confirmatory factor analysis (CFA) employed to test measurement models.
  • Correlations with theoretically related variables assessed construct validity.

Main Results:

  • A hierarchical factor structure provided the best fit for the data.
  • An overarching general grief factor accounted for symptom cluster covariation.
  • The general grief factor showed significant correlations with negative religious coping, neuroticism, meaning-made, and post-traumatic growth.

Conclusions:

  • The findings support the construct validity of a general grief measure from the PC-BI.
  • Results are consistent with DSM-5 diagnostic criteria for prolonged grief disorder.
  • The study validates the common practice of using total scale scores for grief assessment.