Which of the following is a common problem when sending out questionnaires?

The best choice highlights a prevalent issue in questionnaire distribution: not everyone will respond. This is a common challenge faced in surveys and data collection processes. Many factors influence response rates, including the questionnaire's length, the perceived relevance of the survey to the participants, how it is distributed, and the participants' willingness or availability to provide feedback. Low response rates can lead to sample bias, impacting the reliability of the data and the conclusions drawn from it.

In survey methodology, ensuring a high response rate is crucial for obtaining a representative sample, which is necessary for the validity of the findings. Techniques to mitigate this issue often involve follow-up reminders, offering incentives, or simplifying the questionnaire to encourage participation. Understanding and addressing the factors contributing to non-response is essential for gathering quality data and ensuring comprehensive insights.