'' John MacDonald Launches Nation’s First Master’s Program in Applied Criminology and Police Leadership, OMNIA John MacDonald spearheads a first-of-its-kind master’s program at Penn to advance evidence-based, equitable police leadership, reports
A Mural John MacDonald's Research Inspires a Deeper Look into Crime Rate and Murals, Penn Today After meeting John MacDonald, Maya Moritz, a criminology doctoral student, was inspired to investigate the correlation between murals and crime rate. Citation: 
A busy city street John MacDonald Quoted on Gun Violence Statistics, The New York Times “You don’t want people to think that everywhere is so dangerous in a way that it’s not,” said MacDonald, “On the other hand, you don’t want people to think that, oh, this is just somebody else’s problem.
Social Group of hikers Check out John MacDonalds' New Article, "The Precautionary Principle", Vital City The article written by MacDonald, focuses on social science as well as identifying root causes that form many social issues. Citation:
" " Studies by Dolores Albarracin, Courtney Boen, Angela Duckworth, John MacDonald, Eugenia South, Dorothy Roberts and Sarah Tishkoff are highlighted, Research at Penn Research at Penn, 2023 Edition, features the research of Dolores Albarracin (pg 50),
" " Eugenia South and John MacDonald's study is highlighted on tackling gun violence, Philadelphia Inquirer Philadelphia Inquirer highlights the study of John MacDonald and
" " John MacDonald reviews 70 years of evidence on how to prevent crime, Vital City In an article for Vital City, Criminologist and PSC Research Associate 
" " Eugenia C. South and John m. macdonald op-ed on reduction in gun violence, penn ldi The study conducted by Eugenia C. South and John M.
John M. MacDonald shares his research about the impact of physical environments on crime in the OMNIA article, "Crime and the Scientific Method" From street lights to heat waves, John M.
John M. MacDonald was featured in Penn Today for new research published John M.
John MacDonald featured in 6ABC Interview John M.
Venkataramani, Boen, and MacDonald investigators in new NIH grant PSC/PARC Researchers Atheendar Venkataramani, Courtney Boen, and 
John MacDonald featured in LDI Research Update John MacDonald (PSC Research Associate) was featured in an LDI research
New Research by John MacDonald featured in PlanPhilly New research in JAMA Network Open co-authored by John MacDonald (PSC Research Associate) found that inc
New study by PSC Research Associate John M. MacDonald cited in a recent Penn LDI Blog New study by John M.
John MacDonald featured in recent In These Times podcast episode John MacDonald (PSC Research Associate) was featured in a recent episode of 
John M. MacDonald Quoted in Mother Jones John M. MacDonald (PSC Research Associate) writes on the correlation between the high numbers of incarcerated persons and the spread of the COVID-19.
John M. MacDonald was Quoted in Newsweek about Police Presence in New York City John M.
John MacDonald discusses new book in Penn Today John MacDonald (PSC) discusses his new book, grounded in years of research on the positive effects of remediation like fixing up abandonded lots and houses.
John M. MacDonald appointed to the National Research Council’s Committee on Law and Justice PSC Research Associate John M. MacDonald is now a member of the Committee on Law and Justice (CLAJ).
Inventive legal approach decreases gang violence by 18 percent According to analysis from John M.
Changing Places: Using Science to Design Safer and Healthier Cities John M.
Turning up the heat on crime PSC researcher, John M.
Greening vacant lots reduces depression in city dwellers In the latest research published in Jama Network on the Effects of Greening Vacant Land on Mental Health of Community-Dwelling
Philly as a lab, classroom, and collaborator John MacDonald, Emilio Parrado, Chenoa Flippen, and Kristen Harknett are among several researchers featured
Can Fighting Blight Prevent Gun Violence? A Next City article mentions 
Penn Fels Policy Research Initiative Announces Fall Interdisciplinary Grants Dirk Krueger and John MacDonald were two of five conferences awarded grants will address a variety of issues related to economic policy, infrastructure, housing in the future, diversity and more: The Philadelphia Workshop on
John MacDonald examines the relationship between natural habitat and crime in new Omnia article. John MacDonald examines the relationship between natural habitat and crime in new Omnia article. 
John MacDonald: Avaialble online today: The Effect of a Sunday Liquor-Sales Ban Repeal on Crime: A Triple-Difference Analysis John M. MacDonald's paper in Alcoholism: Clinical and Experimental Research with co-authors S. Han and C. C.
Jason Schnittker, John MacDonald and colleagues discuss the long term consequences of mass incarceration in the US in the new Penn SAS magazine Omnia. Jason Schnittker, John M.
John MacDonald is quoted in Wall Street Journal article about healthy commuting. John MacDonald is quoted in Wall Street Journal article about healthy commuting.
A study by John MacDonald (with co-investigators Michelle Kondo and Charles Branas) found that remediating abandoned buildings in cities reduced crime in the immediate vicinities A study by John MacDonald (with co-investigators Michelle Kondo and Charles Branas) found that remedi
John MacDonald is interviewed in an article entitled "Justice By The Numbers," in the Penn Arts & Sciences Magazine. John MacDonald is interviewed in an article entitled "Justice By The Numbers," in the Penn Arts & Sciences Magazine.
John MacDonald has been appointed to the fifth cohort of Penn Fellows. John MacDonald has been appointed to the fifth cohort of Penn Fellows.
In SAS Frontiers, John MacDonald discusses America’s relationship with guns. In SAS Frontiers, John MacDonald discusses America’s relationship with guns.
Jonathan Klick of Law and John MacDonald of Criminology point to widespread cell-phone use as a factor in a "remarkable" crime-rate drop in the ‘90s. Jonathan Klick of Law and John MacDonald of Criminology point to widespread cell-phone use as a factor in a "remarkable" crime-rate drop in
John MacDonald has won the 2012 David N. Kershaw Award For Distinguished Contributions to the Field of Public Policy Analysis and Management from the Association of Public Policy and Management’s (APPAM). John M. MacDonald has won the 2012 David N.
"Don’t Shut the Golden Door," an op-ed by John MacDonald in NYT "Don’t Shut the Golden Door," an op-ed on the beneficial impacts of immigration by John MacDonald and Robert J.
John MacDonald comments on Trayvon Martin in SAS Frontiers John MacDonald sheds light on the Trayvon Martin case and the impact it’s making on the public.
John MacDonald’s research on public transit and weight loss has been discussed in the Telegraph and on RedOrbit.com John MacDonald's research on public transit and weight loss has been discussed in the Telegraph on June 29, "
John MacDonald’s research has been discussed in the Economist on April 8, "The mean streets of Guildford." John MacDonald's research has been discussed in the Economist on April 8, 2010 "The mean streets of Guildford."