Mobile survey starts have now reached 45% of all surveys, according to Qualtrics’s internal stats. However, fewer than 50% of those mobile starts actually complete the survey. A large number of mobile survey respondents drop outs risks the representativeness of your sample. This can be particularly concerning, as mobile respondents tend to be younger, higher educated, and wealthier than the average PC respondent.
Qualtrics recommends these best practices to make surveys mobile friendly: