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## Breadcrumb

            -  Evidence and Innovation 
            -  Teen Pregnancy Prevention Evidence Review 
            -           PPRER014019      

# PPRER014019

Abt Associates. Reducing the Risk: Interim Impact Report, Teen Pregnancy Prevention Replication Study, Report prepared for the Office of Adolescent Health and the Office of the Assistant Secretary for Planning and Evaluation, U.S. Department of Health and Human Services, September 2015a.

Kelsey, M., Blocklin, M., Layzer, J., Price, C., Juras, R.,  Freiman, L. (201c). Replicating reducing the risk: 12-month impacts of a cluster randomized controlled trial. American Journal of Public Health, 106, S45-S52. doi:10.2105/AJPH.2016.303409

Kelsey, M., Layzer, J., Blocklin, M., Price, C., and Juras, R. "Reducing the Risk: Longer-Term Impact Report." Draft Teen Pregnancy Prevention Replication Study, Abt Associates: Cambridge, MA, November 2016d.

HighRandom assignment study that met all criteria for a high rating; findings show no positive, statistically significant impact on a relevant behavioral outcome measure for either the full sample or key subgroups.

### Program Information

### Evaluation Setting

### Study Sample

### Research Design

### Study Findings

NA = Not available. This means the authors did not report the information in the manuscripts associated with the studies we reviewed.

a This information was not available whenever authors did not report information for the treatment and comparison groups separately on outcome means, standard deviations, and/or sample sizes.

b Authors reported that the program effect (impact) estimate is statistically significant with a p-value of less than 0.05 based on a two-tailed test.

c For some outcomes, having less of that outcome is favorable. In those cases, an effect with a negative sign is favorable to the treatment group (that is, the treatment group had a more favorable outcome than the comparison group, on average).

d An effect meets the review standards for credible evidence whenever it is statistically significant with a p-value of less than 0.05 based on a two-tailed test, includes the appropriate adjustment for clustering (if applicable), and it is not based on an endogenous subgroup.