Coalition for Evidence-Based Policy
@coalition4evidence.bsky.social
The Coalition for Evidence-Based Policy is a nonprofit, nonpartisan organization, whose mission is to tackle major U.S. social problems using rigorous evidence about “what works.” www.evidencebasedpolicy.org
6/ FINDINGS. Per Scholas produced sizable, statistically significant earnings gains in years 2-8 after study entry (see graph). The table shows (i) the earnings gains were 14-15% in years 7-8 and (ii) the cumulative gains over 10y were ~16% ($42,000), vs. the control group.
November 12, 2025 at 3:12 PM
6/ FINDINGS. Per Scholas produced sizable, statistically significant earnings gains in years 2-8 after study entry (see graph). The table shows (i) the earnings gains were 14-15% in years 7-8 and (ii) the cumulative gains over 10y were ~16% ($42,000), vs. the control group.
New: Our No-Spin report on 10y results of an RCT of Per Scholas – an employment/training program for low-income adults, focused on IT jobs. In brief: High-quality RCT finds sizable earnings gains over years 2-8 & cumulative earnings gains of 16% over 10y. 🧵
November 12, 2025 at 3:12 PM
New: Our No-Spin report on 10y results of an RCT of Per Scholas – an employment/training program for low-income adults, focused on IT jobs. In brief: High-quality RCT finds sizable earnings gains over years 2-8 & cumulative earnings gains of 16% over 10y. 🧵
See No-Spin report on an RCT of P-TECH 9-14 College & Career Prep Schools. In brief: Despite positive portrayal of results in the study's overview, it found no discernible impact on high school grad'n or college progression over 7y, but future earnings impacts are possible.🧵
October 6, 2025 at 4:24 PM
See No-Spin report on an RCT of P-TECH 9-14 College & Career Prep Schools. In brief: Despite positive portrayal of results in the study's overview, it found no discernible impact on high school grad'n or college progression over 7y, but future earnings impacts are possible.🧵
See our new No-Spin report on a major RCT of federally-funded home visiting programs for at-risk families with young children. In brief: Despite the positive portrayal of results in the study's overview, it found negligible impacts on child & family outcomes at the 5-7yr mark.🧵
October 1, 2025 at 3:39 PM
See our new No-Spin report on a major RCT of federally-funded home visiting programs for at-risk families with young children. In brief: Despite the positive portrayal of results in the study's overview, it found negligible impacts on child & family outcomes at the 5-7yr mark.🧵
See our No-Spin report on an RCT of the Nurse-Family Partnership home visiting program for low-income, first-time mothers, conducted in South Carolina. In brief: Large, high-quality RCT finds no impact on likelihood of child injury, abuse, or neglect in first 2y of life.🧵
August 27, 2025 at 8:06 PM
See our No-Spin report on an RCT of the Nurse-Family Partnership home visiting program for low-income, first-time mothers, conducted in South Carolina. In brief: Large, high-quality RCT finds no impact on likelihood of child injury, abuse, or neglect in first 2y of life.🧵
6/ The study found sizable impacts on its four preregistered primary outcomes – all related to delinquency and substance use – at follow-up four years after study entry. The impacts are shown in the following table (adapted from Table 4 of the study report):
August 1, 2025 at 2:07 PM
6/ The study found sizable impacts on its four preregistered primary outcomes – all related to delinquency and substance use – at follow-up four years after study entry. The impacts are shown in the following table (adapted from Table 4 of the study report):
See our No-Spin report on a national RCT of Big Brothers Big Sisters (BBBS) Community-Based Mentoring for at-risk youth. In brief: Study finds highly promising, but not definitive, evidence of sizable reductions (20-40%) in delinquency & substance use at the 4-year follow-up.🧵
August 1, 2025 at 2:07 PM
See our No-Spin report on a national RCT of Big Brothers Big Sisters (BBBS) Community-Based Mentoring for at-risk youth. In brief: Study finds highly promising, but not definitive, evidence of sizable reductions (20-40%) in delinquency & substance use at the 4-year follow-up.🧵
See our No-Spin report on an RCT of Guaranteed Income for low-income families in Oakland CA. In brief: Despite the executive summary's positive portrayal of results, the study found no discernible impact on any prespecified outcomes (econ well-being, health, etc) at 2y mark.🧵
July 22, 2025 at 3:28 PM
See our No-Spin report on an RCT of Guaranteed Income for low-income families in Oakland CA. In brief: Despite the executive summary's positive portrayal of results, the study found no discernible impact on any prespecified outcomes (econ well-being, health, etc) at 2y mark.🧵
See our No-Spin report on an RCT of the Nurse-Family Partnership home visiting program for low-income, first-time mothers in British Columbia. In brief: High-quality RCT finds no impact on child injuries (primary outcome) over 2y, but suggestive effects on 2 secondary outcomes.🧵
July 18, 2025 at 7:16 PM
See our No-Spin report on an RCT of the Nurse-Family Partnership home visiting program for low-income, first-time mothers in British Columbia. In brief: High-quality RCT finds no impact on child injuries (primary outcome) over 2y, but suggestive effects on 2 secondary outcomes.🧵
See our No-Spin report on the Baby’s First Years RCT, studying the effects of providing unconditional cash transfers to low-income, new mothers in the US. In brief: This high-quality RCT found no impact on any of the study’s primary child development outcomes at 4y follow-up.🧵
July 14, 2025 at 4:38 PM
See our No-Spin report on the Baby’s First Years RCT, studying the effects of providing unconditional cash transfers to low-income, new mothers in the US. In brief: This high-quality RCT found no impact on any of the study’s primary child development outcomes at 4y follow-up.🧵
See our new No-Spin report on Zearn, a popular software platform, to support grade 3-5 math education. In brief: High-quality RCT finds suggestive (not statistically significant) modest effects on state test scores in math after two years of program implementation.🧵
June 17, 2025 at 3:24 PM
See our new No-Spin report on Zearn, a popular software platform, to support grade 3-5 math education. In brief: High-quality RCT finds suggestive (not statistically significant) modest effects on state test scores in math after two years of program implementation.🧵
See our No-Spin report on a widely-covered NBER study of Medicaid expansion. In brief: Despite the abstract's claims that expansion reduced adult mortality 2.5%, the study found much smaller effects that fell short of statistical significance in its main preregistered analysis.🧵
June 11, 2025 at 5:37 PM
See our No-Spin report on a widely-covered NBER study of Medicaid expansion. In brief: Despite the abstract's claims that expansion reduced adult mortality 2.5%, the study found much smaller effects that fell short of statistical significance in its main preregistered analysis.🧵
See our No-Spin report on long-term RCT results for ASAP Ohio, providing academic, personal & financial supports to low-income community college students. In brief: High-quality RCT finds a remarkable 15% point gain in degree completion & 14% gain in annual earnings at 8y mark.🧵
May 20, 2025 at 1:43 PM
See our No-Spin report on long-term RCT results for ASAP Ohio, providing academic, personal & financial supports to low-income community college students. In brief: High-quality RCT finds a remarkable 15% point gain in degree completion & 14% gain in annual earnings at 8y mark.🧵
See our No-Spin report on RCTs of two pilot initiatives offering Pell Grants (federal financial aid) to low-income adults for short-term job training programs. In brief: High-quality RCTs find no discernible impact on employment or earnings 3-5 yrs after program completion. 🧵1/2
May 8, 2025 at 8:36 PM
See our No-Spin report on RCTs of two pilot initiatives offering Pell Grants (federal financial aid) to low-income adults for short-term job training programs. In brief: High-quality RCTs find no discernible impact on employment or earnings 3-5 yrs after program completion. 🧵1/2
See our No-Spin report on an RCT of Multiple Measures Assessment (MMA) - an approach widely used by community colleges to increase student success. In brief: Large, high quality RCT in MN & WI finds no discernible impact on credits earned or graduation rate at 4.5-year mark.
April 7, 2025 at 3:05 PM
See our No-Spin report on an RCT of Multiple Measures Assessment (MMA) - an approach widely used by community colleges to increase student success. In brief: Large, high quality RCT in MN & WI finds no discernible impact on credits earned or graduation rate at 4.5-year mark.
Great to see Oklahoma adopt this important new model of gov't-philanthropy collaboration in using evidence about "what works" to improve lives of children & youth. The Coalition is excited to be facilitating this partnership between Arnold Ventures and Gov. Stitt! rb.gy/7wvppr
April 2, 2025 at 3:21 PM
Great to see Oklahoma adopt this important new model of gov't-philanthropy collaboration in using evidence about "what works" to improve lives of children & youth. The Coalition is excited to be facilitating this partnership between Arnold Ventures and Gov. Stitt! rb.gy/7wvppr
See our new No-Spin report on an RCT of HUD's $140M/yr Family Self-Sufficiency program to promote work for housing voucher recipients. Large, high quality RCT finds no impact on employment or earnings over 6 year follow-up: nospin.evidencebasedpolicy.org/articles/hud...
March 5, 2025 at 7:46 PM
See our new No-Spin report on an RCT of HUD's $140M/yr Family Self-Sufficiency program to promote work for housing voucher recipients. Large, high quality RCT finds no impact on employment or earnings over 6 year follow-up: nospin.evidencebasedpolicy.org/articles/hud...
3i/ Labor Department-funded contract to measure workforce earnings in four economic mobility RCTs
February 24, 2025 at 9:03 PM
3i/ Labor Department-funded contract to measure workforce earnings in four economic mobility RCTs
3h/ Evaluating a Promising Strategy to Improve afterschool programs across the US
February 24, 2025 at 9:03 PM
3h/ Evaluating a Promising Strategy to Improve afterschool programs across the US
3g/ Evaluating Widely-Used Teacher Leader Programs To Increase Student Achievement and Teacher Retention
February 24, 2025 at 9:03 PM
3g/ Evaluating Widely-Used Teacher Leader Programs To Increase Student Achievement and Teacher Retention
3f/ Evaluation of Transition Supports for Youth with Disabilities
February 24, 2025 at 9:03 PM
3f/ Evaluation of Transition Supports for Youth with Disabilities
3e/ Impact Study of ReSolve Math for elementary school students
February 24, 2025 at 9:03 PM
3e/ Impact Study of ReSolve Math for elementary school students
3d/ Assessing Evidence of Effectiveness in Adult Education: Study of Career Navigator Training
February 24, 2025 at 9:03 PM
3d/ Assessing Evidence of Effectiveness in Adult Education: Study of Career Navigator Training
3c/ Impact Evaluation of Multi-Tiered Systems of Support for Reading in Early Elementary School
February 24, 2025 at 9:03 PM
3c/ Impact Evaluation of Multi-Tiered Systems of Support for Reading in Early Elementary School
3b/ Impact Study of Magnet Schools
February 24, 2025 at 9:03 PM
3b/ Impact Study of Magnet Schools