Online surveys have the following advantages over paper mail surveys except a. They can be quickly disseminated to very large numbers of prospective respondents anywhere in the world. b. Survey response data are automatically entered for computer processing, eliminating the need for manual data entry and facilitating a quick online tabulation of results. c. Survey findings can be generalized to all populations irrespective of their socio-economic status, age, ethnicity, or national origin. d. They save money and time