Response Rates and Incentives in a National Employee Survey: The Case of the Veterans AdministrationOsatuke, K., McNamara, B., Pohl, M., Moore, S. C., Meterko, M., Charns, M. P., & Dyrenforth, S. R. (2013). Response rates and incentives in a national employee survey: The case of the veterans administration. Applied H.R.M.Research, 13(1), 3750.
Review this resource for an ANOVA example.