Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Predicted probabilities of violent victimization: the influence of street efficacy by low and high concentrated disadvantage, among 1865 youths in the 9-, 12-, and 15-year-old cohorts of the Project on Human Development in Chicago Neighborhoods, 1995 and 1999.
