Youthnet was among the first NIH funded efforts (RO1 MH063690) to explore using tailored messages and computer algorithms on a website to influence youth behaviors. Youth exposed to the website showed improvements in norms related to condom use.

Following is a list of publications from the study:

Bull, S., Ortiz, C., Vallejos, D., Pratte, K., Whitesell, N., Rietmeijer, C. McFarlane, M. 2008. Effects of an Internet-based HIV Prevention intervention for young adults online: The Youthnet Project. AIDS and Behavior. 13(3):474-87.

Pals, S., Beaty, B., Posner, S., Bull, S. 2008. Estimates of Intraclass Correlation for Variables Related to Behavioral HIV/STD Prevention in a Predominantly African-American and Latina/Hispanic Sample of Young Women. Health Education and Behavior. 36(1):182-94.

Bull, S., Vallejos, D., Levine, D., Ortiz, C. 2008. Improving recruitment and retention for an online randomized controlled trial: Experience from the Youthnet study. AIDS Care 20:887-9.

Bulls, S., Phibbs, S., McFarlane, M., Watson, S. 2007. What do Young Adults Expect When They Go Online? Lessons for development of an STD/HIV and pregnancy prevention website. Journal of Medical Internet Systems. 39(3):149-158.

Pratte, K., Whitesell, N., McFarlane, M., Bull, S. 2010. Factor Analyses of Condom Attitudes, Norms and Self-Efficacy Measures in Diverse Samples. Journal of Nursing Measurement 18(3):153-175.