Religious Ties and Investment in Volunteer Management. Next, we considered whether the two groups of charities differ in terms of the investments they have made in the development of their volunteer management programs. Based on average values on the Investments Measure we learned that charities with ties to religious organizations have invested more in volunteer management than charities that do not collaborate with religious organizations. Volunteer Management Challenges Greater among Those with Religious Ties. Adoption of volunteer management practices does not necessarily mean that organizations report fewer challenges in recruiting and managing volunteers. Indeed, although charities with ties to religious organizations have greater investment in volunteer management, they also report more challenges. However, we expect that.