What were the main challenges to marketing research according to the survey of M.R. executives cited by McDaniel and Gates?
-Maximizing survey participation & completion rates (38.7%)
-Reaching a representative sample of respondents (30.2%)
-Providing surveys in the format most desired by respondents (10.2%)
-Designing or authoring the survey (12.0%)
-Analyzing results (17.6%)
-Coding or quantifying survey operations (18.6%)