We are currently crunching data from a number of interesting sources. This includes a brand new meta analysis of formal youth mentoring programs, a second look at a four-wave study of adolescents and their mentors (Add Health), and a series of analyses of US Census and Gallup poll data.
Raposa, E. B., Rhodes, J., Stams, G.J., Card, N., Burton, S., Schwartz, S., Sykes, L.Y., Kanchewa, S., Kupersmidt, J., and Hussain, S. (2019). The effects of youth mentoring programs: A meta-analysis of outcome studies. Journal of Youth and Adolescence.
Raposa, E.B., Dietz, N., & Rhodes, J.E. (2017). Trends in Volunteer Mentoring in the United States: Analysis of a Decade of Census Survey Data. American Journal of Community Psychology, 1, 1-12. [PDF]