A multi-cohort study of children coming of age, 1995 to the present.
Joined September 2021
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This is the new official Twitter for the PHDCN , a longitudinal multi-cohort study of children from Chicago started in 1995 and followed through 2021. Follow us here and on our website (sites.harvard.edu/phdcn/) for updates about the data and findings.
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Two new interviews with Prof Robert J. Sampson about his book "Marked by Time" are out now.
On WBEZ Chicago, "Is ‘when we are’ who we are?":
wbez.org/say-more-with-mary-….
On the "Talk Nerdy" podcast, "Societal Change and Criminology w/ Robert J. Sampson": carasantamaria.com/podcast/r….
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In @VitalCityNYC, a new article about Professor Robert J. Sampson's book, Marked by Time: "Criminal Risk Assessment and the Character Trap." Check it out here: vitalcitynyc.org/articles/ho…
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"Marked by Time" is @NextBigIdeaClub's Book of the Day. Check out "When You Were Born Matters More Than You Think," which has five key insights from the book, here: bookoftheday.nextbigideaclub…
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From the @BostonGlobe on Professor Robert Sampson’s newest book, Marked by Time: "A surprising theory for why some people become criminals." Check out the article by @abdallah_fayyad here: bostonglobe.com/2026/02/16/o…
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The Harvard Gazette has published a Q&A with Professor Robert Sampson about his perspective on the trends in policing and prediction outlined in his newest book, "Marked by Time." Check out the article here: news.harvard.edu/gazette/sto…
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Project on Human Development Chicago Neighborhoods retweeted
I wrote about Robert Sampson’s new book, “Marked by Time,” and how your likelihood to commit a crime has a lot to do with the year you were born—perhaps more than other contributing factors, including your socioeconomic background or level of self-control.bostonglobe.com/2026/02/16/o…
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Can children with the same background have radically different futures just because they were born a few years apart?
Yes. Marked by Time (@Harvard_Press) shows how social change and the "character trap" reshape lives in ways traditional risk models miss. (1/2)
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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: amazon.com/Marked-Time-Trans…
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In a new paper with @RussellSageFdn, 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: rsfjournal.org/content/11/3/…
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New in @ScienceAdvances from @PHDCN_Study: 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 science.org/doi/10.1126/scia… #ScienceAdvancesResearch
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See also: Independent commentary on the study written by Justin Lucas Sola, also available in Science Advances at science.org/doi/10.1126/scia….
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New research based on a 25-year longitudinal study shows how early-life differences lead to lifelong racial inequalities in arrest. Check out the paper by PHDCN team members Robert Sampson and Roland Neil here: doi.org/10.1111/1745-9125.12….
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Check out commentary by Rob Sampson and @cclanfear about the nature of gun ownership in the US in the context of recent societal changes
jamanetwork.com/journals/jam…
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Fantastic new article by PHDCN team members looking at the effect of a sibling’s criminal legal contact on an individual’s later well-being.
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Project on Human Development Chicago Neighborhoods retweeted
18 Jan 2024
“Adult Children of the Prison Boom”: Wildeman et al. unite “the classic literature on the intergenerational transmission of criminal activity w/ the nascent lit on the collateral consequences of mass incarceration.” @DukeSociology @DukeSanford @HarvardSoc
ow.ly/uP2m50Qsa2J
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You can learn more about this presentation and the research behind it on the LSE Player podcast episode @LSEpublicevents @LSE_US lse.ac.uk/lse-player?id=aaeb…
If you missed Professor Sampson's presentation on The Birth Lottery of History at the #LSEFestival, you can watch it now! youtube.com/watch?v=4hqEC_19…
@LSEpublicevents @LSE_US
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If you missed Professor Sampson's presentation on The Birth Lottery of History at the #LSEFestival, you can watch it now! youtube.com/watch?v=4hqEC_19…
@LSEpublicevents @LSE_US
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Today! 6:30PM London/1:30PM Eastern, in person and online
14 Jun 2023
Does when you are born shape your life chances more than who you are?
Join us TOMORROW for our #LSEFestival event with Prof. Robert J. Sampson (@HarvardSoc) and Prof. Nicola Lacey (@LSELaw). Chaired by @ptrubowitz (@LSEIRDept) @britsoci @LSEsociology
lse.ac.uk/Events/LSE-Festiva…
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Next Thursday, in person and online, Professor Sampson will be speaking on 'The Birth Lottery of History' for the London School of Economics festival on People and Change! @LSEpublicevents lse.ac.uk/Events/LSE-Festiva…
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