Pilot Study of an Interparental Conflict Intervention for Separating or Divorcing Parents

Parent-reported child anxiety symptoms assessed using the Anxiety subscale of the Revised Child Anxiety and Depression Scale-25 Parent Version (RCADS-25-P). The Anxiety subscale contains 15 items rated from 0 (Never) to 3 (Always). Raw scores range from 0 to 45, with higher scores indicating greater anxiety symptoms.

Parent-reported child depressive symptoms assessed using the Depression subscale of the Revised Child Anxiety and Depression Scale-25 Parent Version (RCADS-25-P). The Depression subscale contains 10 items rated from 0 (Never) to 3 (Always). Raw scores range from 0 to 30, with higher scores indicating greater depressive symptoms.

Parent-reported child irritability and anger assessed using the irritability/anger item of the DSM-5 Level 1 Cross-Cutting Symptom Measure-Parent/Guardian-Rated Measure for Children Ages 6-17. The item is rated from 0 (Not at all) to 4 (Nearly every day). Scores range from 0 to 4, with higher scores indicating greater irritability/anger.

Parent-reported child attention problems assessed using the attention item of the DSM-5 Level 1 Cross-Cutting Symptom Measure-Parent/Guardian-Rated Measure for Children Ages 6-17. The item is rated from 0 (Not at all) to 4 (Nearly every day). Scores range from 0 to 4, with higher scores indicating greater attention problems.

Parent-reported interparental conflict assessed using the 13-item intensity and frequency subscales of the Children's Perception of Interparental Conflict Scale, adapted for parent report. Items are rated on a 3-point scale and appropriately reverse-scored. Using summed item scores coded from 0 to 2, total scores range from 0 to 26, with higher scores indicating greater interparental conflict.

Parent-reported feasibility assessed using the 4-item Feasibility of Intervention Measure (FIM). Items are rated from 1 (Completely disagree) to 5 (Completely agree), with scores ranging from 4 to 20. Higher scores indicate greater perceived feasibility.

Parent-reported acceptability assessed using the 4-item Acceptability of Intervention Measure (AIM). Items are rated from 1 (Completely disagree) to 5 (Completely agree), with scores ranging from 4 to 20. Higher scores indicate greater acceptability.

Parent-reported appropriateness assessed using the 4-item Intervention Appropriateness Measure (IAM). Items are rated from 1 (Completely disagree) to 5 (Completely agree), with scores ranging from 4 to 20. Higher scores indicate greater perceived appropriateness.

Parent-reported intervention usability assessed using the 10-item Intervention Usability Scale (IUS). Items are rated on a 5-point agreement scale. Positively and negatively worded items are scored according to standard IUS scoring procedures, and the summed score is multiplied by 2.5. Total scores range from 0 to 100, with higher scores indicating greater perceived intervention usability.

Parent-reported difficulties in emotion regulation assessed using the 16-item Difficulties in Emotion Regulation Scale-Short Form (DERS-SF). Items are rated from 1 (Almost Never) to 5 (Almost Always), with total scores ranging from 16 to 80. Higher scores indicate greater difficulties with emotion regulation.

Parent-reported confidence in the ability to make a safety plan for oneself, assessed using a single-item rating scale ranging from 0 (Not at all confident) to 100 (Completely confident). Higher scores indicate greater confidence in safety planning.

Parent-reported confidence in the ability to make a safety plan for one's child or children, assessed using a single-item rating scale ranging from 0 (Not at all confident) to 100 (Completely confident). Higher scores indicate greater confidence in safety planning.