Negative effect is favorable to the intervention.
Attachment and Biobehavioral Catch-Up (ABC) -Infant
Model effectiveness research report last updated: 2020
Effects shown in research
Positive parenting practices
Findings rated high
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Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
D.O.T.S. Emotion Coding System - Parent-child mutual positive affect |
FavorableUnfavorable or ambiguousNo Effect |
24 months of age |
ABC-Infant vs. DEF; Philadelphia |
107 parent/child dyads | Not reported | Not reported | Not reported | Study reported = 0.42 | Statistically significant, p= 0.03 |
Model does not include statistical controls. |
D.O.T.S. Emotion Coding System - Parent-child mutual positive affect |
FavorableUnfavorable or ambiguousNo Effect |
24 months of age |
ABC-Infant vs. DEF; Philadelphia |
107 parent/child dyads | Not reported | Not reported | Not reported | Study reported = 0.46 | Statistically significant, p= 0.02 |
Model controls for child risk, parent risk (0 to 24 months), and instability risk (0 to 24 months). |
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Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Affective communication errors |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.21 | Not statistically significant, p= 0.27 |
|
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Disrupted parenting |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Unadjusted proportion = 0.50 Unadjusted proportion | Unadjusted proportion = 0.61 Unadjusted proportion | Mean difference = -0.11 | HomVEE calculated = -0.27 | Not statistically significant, p= 0.23 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Fearful/disorientation |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.14 | Not statistically significant, p= 0.46 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Intrusive/negativity |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.09 | Not statistically significant, p= 0.64 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Parental withdrawal |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Unadjusted mean = 3.77 Unadjusted mean | Unadjusted mean = 4.46 Unadjusted mean | Mean difference = -0.69 | HomVEE calculated = -0.44 | Statistically significant, p= 0.02 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) - Role/boundary confusion |
FavorableUnfavorable or ambiguousNo Effect |
7 months post-intervention |
ABC-I vs. DEF; Large mid-Atlantic city |
109 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.04 | Not statistically significant, p= 0.84 |
Negative effect is favorable to the intervention. |
Show findings details
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Observational Record of the Caregiving Environment (ORCE) adapted scale - Intrusiveness |
FavorableUnfavorable or ambiguousNo Effect |
7-37 months post-intervention (pooled) |
ABC-I vs. DEF; international adoptions; Mid-Atlantic |
120 parents | Not reported | Not reported | Not reported | HomVEE calculated = -0.32 | Not statistically significant, p= 0.11 |
Negative effect is favorable to the intervention. |
Observational Record of the Caregiving Environment (ORCE) adapted scale - Parenting sensitivity |
FavorableUnfavorable or ambiguousNo Effect |
7-37 months post-intervention (pooled) |
ABC-I vs. DEF; international adoptions; Mid-Atlantic |
120 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.52 | Statistically significant, p= 0.01 |
|
Observational Record of the Caregiving Environment (ORCE) adapted scale - Positive regard |
FavorableUnfavorable or ambiguousNo Effect |
7-37 months post-intervention (pooled) |
ABC-I vs. DEF; international adoptions; Mid-Atlantic |
120 parents | Not reported | Not reported | Not reported | HomVEE calculated = 0.36 | Statistically significant, p= 0.05 |
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Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Growth in parental intrusiveness | FavorableUnfavorable or ambiguousNo Effect |
16 to 19 weeks | Delaware mothers | 24 mothers | Unadjusted mean = -1.22 | Unadjusted mean = -0.26 | Mean difference = -0.96 | Study reported = 0.81 | Statistically significant, p = 0.02 | Negative value is favorable to the intervention.
|
Growth in parental sensitivity | FavorableUnfavorable or ambiguousNo Effect |
16 to 19 weeks | Delaware mothers | 24 mothers | Unadjusted mean = 0.97 | Unadjusted mean = 0.26 | Mean difference = 0.71 | Study reported = 0.70 | Statistically significant, p = 0.04 |
Findings rated moderate
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Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance |
---|---|---|---|---|---|---|---|---|---|
Parent positive regard | FavorableUnfavorable or ambiguousNo Effect |
0-6 months | International adoptions | 108 caregivers | Unadjusted mean = 4.32 | Unadjusted mean = 3.76 | Mean difference = 0.56 | HomVEE calculated = 0.70 | Statistically significant, p<0.01 |
Parent sensitivity | FavorableUnfavorable or ambiguousNo Effect |
0-6 months | International adoptions | 108 caregivers | Unadjusted mean = 3.56 | Unadjusted mean = 2.93 | Mean difference = 0.63 | HomVEE calculated = 0.62 | Statistically significant, p<0.01 |
Show findings details
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Parent sensitivity |
FavorableUnfavorable or ambiguousNo Effect |
1 month post-intervention |
ABC-Infant vs. DEF; Large mid-Atlantic city |
89 mother/child dyads | Unadjusted mean = 2.49 | Unadjusted mean = 1.94 | Mean difference = 0.55 | Study reported = 0.47 | Statistically significant, p= 0.03 |
Authors used ANOVA to estimate the difference between the ABC and DEF groups; effect size is Cohen's D. |
Parent sensitivity: duration (seconds) |
FavorableUnfavorable or ambiguousNo Effect |
36 months of age |
ABC-Infant vs. DEF; Large mid-Atlantic city |
101 mother/child dyads | Unadjusted mean = 31.23 | Unadjusted mean = 21.37 | Mean difference = 9.86 | Study reported = 0.40 | Not statistically significant, p= 0.05 |
Authors used ANOVA to estimate the difference between the ABC and DEF groups; effect size is Cohen's D. |
Show findings details
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Disrupted parenting |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Unadjusted proportion = 0.52 | Unadjusted proportion = 0.62 | Mean difference = -0.10 | HomVEE calculated = -0.24 | Not statistically significant, p= 0.31 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Parental affective communication errors |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Not reported | Not reported | Not reported | HomVEE calculated = 0.31 | Not statistically significant, p = 0.33 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Parental fearful/disoriented |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Not reported | Not reported | Not reported | HomVEE calculated = 0.12 | Not statistically significant, p= 0.52 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Parental intrusive/negativity |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Not reported | Not reported | Not reported | HomVEE calculated = 0.10 | Not statistically significant, p= 0.60 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Parental role/boundary confusion |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Not reported | Not reported | Not reported | HomVEE calculated = -0.32 | Not statistically significant, p= 0.74 |
Negative effect is favorable to the intervention. |
Atypical Maternal Behavior Instrument for Assessment and Classification (AMBIANCE) Scale - Parental withdrawal |
FavorableUnfavorable or ambiguousNo Effect |
7 months after enrollment (1 month post-intervention) |
ABC-Infant vs. DEF; Large mid-Atlantic city |
105 mothers | Unadjusted mean = 3.76 | Unadjusted mean = 4.42 | Mean difference = -0.66 | Study reported = -0.42 | Statistically significant, p= 0.03 |
Negative effect is favorable to the intervention. |