Effectiveness of interventions in preventing disorganized attachment: A meta-analysis
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Published on: October 13, 2017
Christopher R Facompré1, Kristin Bernard2, Theodore E A Waters1
1New York University-Abu Dhabi.
Insights
Preventative interventions effectively increase organized infant attachment, reducing disorganized attachment. These programs show greater success in recent studies, for maltreated children, and with older children.
Area of Science:
- Developmental Psychology
- Clinical Psychology
- Attachment Theory
Background:
- Disorganized attachment is linked to adverse developmental outcomes.
- Preventative interventions for infant attachment are gaining interest.
- Targeting the infant attachment relationship is crucial for early development.
Purpose of the Study:
- To meta-analyze the effectiveness of interventions preventing or reducing disorganized attachment in at-risk children.
- To assess the impact of interventions on organized and disorganized attachment rates.
Main Methods:
- Literature search of PsycINFO, MEDLINE, and ProQuest (1989-2016).
- Included 16 studies (N=1,360) with control conditions.
- Utilized the Strange Situation Procedure for attachment assessment.
Main Results:
- Interventions significantly increased organized attachment rates compared to controls (d = 0.35).
- Effectiveness was higher in recent studies, for maltreated samples, and with increasing child age.
Conclusions:
- Attachment-based interventions are effective in promoting organized attachment.
- Intervention strategies can be tailored based on study publication date, sample characteristics, and child age.
- Findings inform future development and implementation of attachment interventions.
Abstract:
Disorganized attachment is associated with a host of negative developmental outcomes, leading to a growing interest in preventative interventions targeting the attachment relationship in infancy. The objective of this meta-analysis was to assess the effectiveness of interventions that aimed to prevent or reduce rates of disorganization among children at risk. We performed a literature search using PsycINFO, MEDLINE, and ProQuest databases for studies published between January 1989 and August 2016. All 16 studies (N = 1,360) included a control condition and reported postintervention rates of organized and disorganized attachments assessed by the Strange Situation Procedure. Results showed that, overall, interventions were effective in increasing rates of organized attachment compared to control conditions (d = 0.35, 95% CI [0.10-0.61]). Moderator analyses demonstrated that interventions were more effective (a) in more recently published studies than in older studies, (b) for maltreated samples than nonmaltreated samples, and (c) as children increased in age. These results have important implications for future development, tailoring, and implementation of attachment-based intervention programs.
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