footnote449
Effect size is a Cohen's d.
Model effectiveness research report last updated: 2019
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance |
---|---|---|---|---|---|---|---|---|---|
Day Night Task | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 136 children | Not reported | Not reported | Not reported | Study reported = 0.18 | Not statistically significant, p = 0.29 |
Preschool Language Scale Fourth Edition (PLS-4) - Auditory | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 133 children | Not reported | Not reported | Not reported | Study reported = 0.38 | Statistically significant, p = 0.03 |
Preschool Language Scale Fourth Edition (PLS-4) - Total | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 127 children | Not reported | Not reported | Not reported | Study reported = 0.37 | Statistically significant, p = 0.04 |
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Day Night Task (adjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 147 children | Not reported | Not reported | Not reported | Study reported = 0.23 | Not statistically significant, p = 0.16 | footnote449Effect size is a Cohen's d. |
Tower Clean Up Task Duration (adjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 126 children | Not reported | Not reported | Not reported | Study reported = 0.08 | Not statistically significant, p = 0.67 | footnote449Effect size is a Cohen's d. |
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance |
---|---|---|---|---|---|---|---|---|---|
PPVT | FavorableUnfavorable or ambiguousNo Effect |
Post-program | 1973 – 1975 cohorts | 111 children | Mean = 91.60 | Mean = 91.28 | Mean difference = 0.32 | HomVEE calculated = 0.05 | Not statistically significant, p ≥ 0.05 |
PPVT | FavorableUnfavorable or ambiguousNo Effect |
Post-program | 1973 – 1974 cohorts | 82 children | Mean = 89.48 | Mean = 90.36 | MD = -0.88 | HomVEE calculated = -0.06 | Not statistically significant, p ≥ 0.05 |
Stanford-Binet | FavorableUnfavorable or ambiguousNo Effect |
Post-program | 1973 – 1976 cohorts | 166 children | Mean = 104.05 | Mean = 103.54 | Mean difference = 0.51 | HomVEE calculated = 0.04 | Not statistically significant, p ≥ 0.05 |
Outcome measure | Effect | Follow-up timing | Sample | Sample size | Intervention group | Comparison group | Group difference | Effect size | Statistical significance | Notes |
---|---|---|---|---|---|---|---|---|---|---|
Ages and Stages Questionnaire: Social-Emotional (ASQ: SE) (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 112 children | Unadjusted mean = -0.11 | Unadjusted mean = 0.00 | MD = -0.11 | Study reported = -0.11 | Not statistically significant, p = 0.56 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Day Night Task (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 149 children | Unadjusted mean = 12.16 | Unadjusted mean = 10.58 | MD = 1.58 | HomVEE calculated = 0.18 | Not statistically significant, p = 0.29 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Preschool Language Scale Fourth Edition (PLS-4) - Auditory (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 144 children | Unadjusted mean = 95.27 | Unadjusted mean = 91.80 | MD = 3.47 | HomVEE calculated = 0.29 | Not statistically significant, p = 0.09 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Preschool Language Scale Fourth Edition (PLS-4) - Expressive (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 144 children | Unadjusted mean = 98.39 | Unadjusted mean = 95.13 | MD = 3.26 | Study reported = 0.21 | Not statistically significant, p = 0.21 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Preschool Language Scale Fourth Edition (PLS-4) - Total (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 141 children | Unadjusted mean = 96.89 | Unadjusted mean = 92.46 | MD = 4.43 | HomVEE calculated = 0.32 | Not statistically significant, p = 0.06 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Tower Clean Up Task Duration (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 127 children | Unadjusted mean = 57.66 | Unadjusted mean = 51.89 | MD = 5.77 | HomVEE calculated = 0.20 | Not statistically significant, p = 0.27 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |
Tower Clean Up Task Time to Start (unadjusted) | FavorableUnfavorable or ambiguousNo Effect |
24 months | ParentChild+ vs. comparison, northeastern U.S., Study 2 full sample | 142 children | Unadjusted mean = 14.92 | Unadjusted mean = 14.62 | MD = 0.30 | Study reported = 0.01 | Not statistically significant, p = 0.95 | HomVEE calculated significanceStatistical significance is based on HomVEE calculations. |