Emphasize full participation, candid responses and be open to suggestions. Auxiliarists are busy people. If they know ahead of time when training will be available, they can schedule for it. Line up instructors and schedule QEs ahead of time and work toward that date for completion of training. Publish survey trends.
Communication is important to retention.
Keep your members informed. A newsletter that makes your flotilla look good and will make your members feel good about their service. Plan meeting agendas on a quarterly basis so your members know why they are coming to each meeting. Make it interesting, plan your fun - see what your members want to do and schedule dates ahead of time. Your members need to know , if they have a problem, they can talk it over with an objective listener who will help direct them through proper channels to effect a solution.