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Arnold Ventures’ Evidence-Based Policy team funds randomized controlled trials (RCTs) of programs across the spectrum of U.S. social policy. This page provides links to brief, plain-language summaries of the RCTs that have reported interim or final results. Each summary includes a description of the program evaluated, the study design, the effects found on the primary outcomes, an overview of study quality, and a link to the research team’s full study report. Consistent with our overall approach to evidence reporting, we seek to summarize findings in a balanced and objective manner, and note any study limitations that may reduce the reliability of the findings. We update this page as new findings are reported; for reference, a complete list of RCTs underway is linked here.

Criminal Justice & Violence Prevention

Motivational Interviewing plus Critical Time Intervention for Hospitalized Gunshot Wound Victims

Findings on criminal arrests in a randomized controlled trial.

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Early Childhood

Nurse-Family Partnership Home Visitation Program

Long-term findings on maternal and child mortality in three randomized controlled trials

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Employment & Training

English for Advancement (EfA) Workforce Development Program for English Language Learners

Interim impacts on earnings and employment in a large randomized controlled trial

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Nevada Reemployment and Eligibility Assessment (REA) Program for Unemployment Insurance Claimants

Impacts on earnings and unemployment insurance benefits in a large randomized controlled trial

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Project QUEST Occupational Training for Low-income Individuals

Long-term (nine-year) earnings impacts in the QUEST randomized controlled trial

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K-12 Education

KIPP Charter Middle Schools

Long-term findings on college enrollment and persistence in a large randomized controlled trial

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Minnesota Math Corps – Tutoring in Grades 4-8

Findings on student math achievement

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Post-Secondary Education

Accelerated Study in Associate Programs (ASAP) – Ohio replication

Impacts on degree completion by low-income community college students in a large randomized controlled trial

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Communications “Nudges” to Encourage College Financial Aid Applications

Findings on college attendance of low-income and first-generation students in a large randomized controlled trial

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Regulatory Policy

Federal Workplace Health and Safety Inspections

A randomized controlled trial of workplace health and safety inspections administered by federal Occupational Health and Safety Administration (OSHA)

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Substance Abuse Prevention / Treatment

PROSPER Youth Substance Abuse Prevention System

Long-term (6.5-Year) Impact on Medicaid-Covered Emergency Department Utilization

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