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Marked by Time: How Social Change Has Transformed Crime and the Life Trajectories of Young Americans Marked by Time: How Social Change Has Transformed Crime and the Life Trajectories of Young Americans [Sampson, Robert J.] on Amazon.com. *FREE* shipping on qualifying offers. Marked by Time: How Social Change Has Transformed Crime and the Life Trajectories of Young Americans

Risk tools trained on one birth cohort drastically overpredict the next. Thirty years of Chicago data reveal: when we're born matters as much as who we are.
Out now: www.amazon.com/Marked-Time-...

Can children with the same background have radically different futures just because they were born a few years apart?

Yes. Marked by Time (@harvardpress.bsky.social) shows how social change and the "character trap" reshape lives in ways traditional risk models miss. (1/2)

Frontiers of Research on Racial Inequalities in Criminal Justice Racial disparities in contact with the criminal justice system remain a pressing concern for both scholars and the public, yet debate persists about how best to explain and reduce them. The articles i...

In a new paper with @russellsagefdn.bsky.social, Robert J. Sampson assesses key research issues in racial inequalities in criminal justice, then outlines a future research agenda to better understand and potentially reduce these inequalities: www.rsfjournal.org/content/11/3/1

This is the official Bluesky account for the PHDCN+, a longitudinal multi-cohort study of children from Chicago started in 1995 and followed through 2024. Follow us here and on our website (sites.harvard.edu/phdcn/) for updates about the data and findings.

Pathways to concealed gun carrying Understanding the distinction between adolescent and adult pathways to concealed gun carrying can inform interventions to reduce gun violence.

See also: Independent commentary on the study written by Justin Lucas Sola, also available in Science Advances at www.science.org/doi/10.1126/....

Dual pathways of concealed gun carrying and use from adolescence to adulthood over a 25-year era of change Distinct patterns by life-course stage—adolescence versus adulthood—reveal dual pathways for concealed gun carrying and gun use.

New in Science Advances from @phdcn-study.bsky.social: 2/3 of people who ever carried guns began in adulthood, and their patterns of carrying differ greatly from those who began carrying in adolescence. Open access at www.science.org/doi/10.1126/... #ScienceAdvancesResearch