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Attachment and Biobehavioral Catch-Up (ABC) Intervention

Last Updated: August 2016

Effects Shown in Research & Outcome Measure Details for Positive Parenting Practices Outcomes

Impact Studies Rated High


Yarger, H. A. (2015). Investigating trajectories of change in attachment and biobehavioral catch-up among high-risk mothers: A randomized clinical trial. ProQuest Dissertations and Theses, 1596912.
Show Study Effects Details
Outcome Effect Sample Timing of Follow-Up Sample Size Program Group Comparison Group Mean Difference or Odds Ratio
Statistical Significance
Effect Size
Outcome Type
Growth in parental intrusiveness Favorable Delaware mothers 16 to 19 weeks 24 mothers Unadjusted mean = -1.22 Unadjusted mean = -0.26 MD = -0.961 Statistically significant, p = 0.02 Study reported = 0.81 Primary
Growth in parental sensitivity Favorable Delaware mothers 16 to 19 weeks 24 mothers Unadjusted mean = 0.97 Unadjusted mean = 0.26 MD = 0.71 Statistically significant, p = 0.04 Study reported = 0.70 Primary

1 Negative value is favorable to the intervention.

Show Study Outcome Measure Summary
Outcome Description of Measure Data Collection Method Properties of the Outcome Measure Outcome Type
Growth in parental intrusiveness The ORCE intrusiveness scale measures the mother's tendency to disregard a child's cues to disengage from an activity or physical contact. Coded videos of parent-child play Not reported by authors. Primary
Growth in parental sensitivity The ORCE sensitivity scale measures the mother's ability to respond to the child's interests, needs, and emotions. Coded videos of parent-child play Not reported by authors. Primary
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Impact Studies Rated Moderate


Bernard, K., Yarger, H. A., Meade, E. B., Wallin, A., & Dozier, M. (2015). Enhancing sensitivity and positive regard among parents of children adopted internationally: Long-term effects from a randomized clinical trial. Unpublished manuscript.
Results for ABC-I.
Show Study Effects Details
Outcome Effect Sample Timing of Follow-Up Sample Size Program Group Comparison Group Mean Difference or Odds Ratio
Statistical Significance
Effect Size
Outcome Type
Parent positive regard Favorable International adoptions 0-6 months 108 caregivers Unadjusted mean = 4.32 Unadjusted mean = 3.76 MD = 0.56 Statistically significant, p<0.01 HomVEE = 0.70 Primary
Parent sensitivity Favorable International adoptions 0-6 months 108 caregivers Unadjusted mean = 3.56 Unadjusted mean = 2.93 MD = 0.63 Statistically significant, p<0.01 HomVEE = 0.62 Primary
Show Study Outcome Measure Summary
Outcome Description of Measure Data Collection Method Properties of the Outcome Measure Outcome Type
Parent positive regard Positive regard towards child; coded using adapted scales from NICHD's Observational Record of the Caregiving Environment. Videotaped observation Not reported by author Primary
Parent sensitivity Sensitivity towards child; coded using adapted scales from NICHD's Observational Record of the Caregiving Environment. Videotaped observation Not reported by author Primary
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