In an effort to effectively manage her program's risk, a volunteer manager creates and implements a thorough screening process for new volunteers including application, interview, reference, and background checks. In addition, all volunteers must attend an evening orientation as well as a daylong training session. The volunteer manager expects this process will help find the quality volunteers she is looking for; however she finds that many people do not complete the screening process. What is the best step she can take to increase the number of volunteers who complete the screening process