In a new book titled "Missing Data: Analysis and Design," John Graham, Penn State professor of biobehavioral health and of human development and family studies, offers practical information to researchers who are not statisticians to implement modern missing-data procedures properly in their research, and to reap the benefits, in terms of improved accuracy and statistical power.

Children who are exposed to community violence continue to exhibit a physical stress response up to a year after the exposure, suggesting that exposure to violence may have long-term negative health consequences, according researchers at Penn State and University College London.

People who are excluded by others online, such as on Facebook, may feel just as bad as if they had been excluded in person, according to researchers at Penn State and Misericordia University.

Gerald McClearn, Evan Pugh Professor of Health and Human Development and Biobehavioral Health, retired from the Department of Biobehavioral Health in the College of Health and Human Development on July 1, 2011.

Penn State's Department of Biobehavioral Health is hosting a 20th anniversary celebration on May 6 and 7. The event -- to be held in the Board Room of The Nittany Lion Inn on the University Park campus -- is free and open to the public and will include biobehavioral health alumni, students, and current and past faculty and staff.

Shedra Amy Snipes, assistant professor of biobehavioral health in Penn State's College of Health and Human Development, is one of six researchers across the country selected to participate in the newly established Kaiser Permanente Burch Minority Leadership Development Awards program. The program supports junior minority researchers with two-year leadership development awards.