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Yarger, H. A., Hoye, J. R., & Dozier, M. (2016). Trajectories of change in Attachment and Biobehavioral Catch-up among high-risk mothers: A randomized clinical trial. Infant Mental Health Journal, 37(5), 525–536. https://doi.org/10.1002/imhj.21585

Model(s) Reviewed: Attachment and Biobehavioral Catch-Up (ABC) -Infant
Additional sources:

WWHV080830

Yarger, H. A. (2015). Investigating trajectories of change in Attachment and Biobehavioral Catch-Up among high-risk mothers: A randomized clinical trial. Unpublished manuscript.

Manuscript screening details
Screening decision Screening conclusion
Passes screens Eligible for review
Study design details
Rating Design Attrition Baseline equivalence Reassignment Confounding factors
High Randomized controlled trial Low Established on race; established on SES; established on outcome measures assessable at baseline None None
Study characteristics
Study participants The study is a randomized controlled trial. The Division of Family Services in Delaware referred mothers who had an unsubstantiated allegation of child neglect to participate in the study. After eligible mothers consented to participate, researchers randomly assigned 13 mothers to the Attachment and Biobehavioral Catch-Up (ABC) condition and 11 to the Developmental Education for Families (DEF) (control) condition.Based on the screening criteria, all mothers had children ages 6 to 20 months old and a household income less than $35,000. Most mothers identified as African American or European American.
Setting Delaware
Intervention services ABC is an intervention designed to teach parents nurturing, sensitive, and nonfrightening ways of interacting with their children. The intervention was implemented across 10 weekly sessions in parents' homes with a parent coach interacting each week with the parent and child. Parents are also assigned homework each week to reinforce the skills taught during the session.
Comparison conditions DEF is another home-based intervention. Like ABC, it is also a manualized treatment conducted over 10 sessions with a parent coach. However, its focus is on improving children's gross and fine motor, cognitive, and language skills.
Staff characteristics and training The characteristics and training of the parent coaches are not described.
Funding sources Not reported.
Author affiliation Not reported.
Study Registration:

Clinicaltrials.gov Identifier: None found. Study registration was assessed by HomVEE beginning with the 2014 review.

Findings details

Positive parenting practices
Rating Outcome measure Effect Sample Timing of follow-up Sample size Intervention group Comparison group Group difference Effect size Statistical significance Notes
High Growth in parental intrusiveness
FavorableUnfavorable or ambiguousNo Effect
Delaware mothers 16 to 19 weeks 24 mothers Unadjusted mean = -1.22 Unadjusted mean = -0.26 Mean difference = -0.96 Study reported = 0.81 Statistically significant, p = 0.02

footnote162

Submitted by user on Fri, 03/15/2019 - 14:29

Negative value is favorable to the intervention.

High Growth in parental sensitivity
FavorableUnfavorable or ambiguousNo Effect
Delaware mothers 16 to 19 weeks 24 mothers Unadjusted mean = 0.97 Unadjusted mean = 0.26 Mean difference = 0.71 Study reported = 0.70 Statistically significant, p = 0.04

Outcome measure summary

Positive parenting practices
Outcome measure Description of measure Data collection method Properties of measure

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.

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.