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A new Centers for Disease Control and Prevention study confirms that mask use, vaccinations, and boosters reduce the risk of COVID-19 reinfection.

A study co-authored by Abt’s Sebastian Lemire captured the state of the art of evaluation capacity building research, including 20 years of trends and findings.

This study of Health Profession Opportunity Grants 2.0 documents how non-tribal grantees implemented programs and participant characteristics and engagement.

Three nonexperimental approaches returned poor estimates of the impact of emergency assistance on educational progress for job trainees.

A joint Mathematica-Abt Global report on the MyGoals coaching demonstration describes its implementation and coaches’ and participants’ perceptions.

Our analysis of HPOG subgroups defined by program experiences found weak evidence that long-term credentials led to meaningfully larger earnings impacts.

Abt’s evaluation of California’s Project Roomkey found this COVID-19-specific solution for people experiencing homelessness has broader applications.

Abt’s analysis of career trajectories showed that Year Up increased transitions from training to higher-wage jobs but had no effect on persistent disconnection.

Agreement between self-reported and medical record COVID-19 vaccination status means relying on self-reported data is a viable research method.