10 (1 point) Sending a questionnaire by email Question 10 options: is useful for geographically dispersed samples. is inexpensive. is good for large samples. raises the question of coverage error. all of these Question 11 (1 point) Which of the following is not a suggestion for question construction? Question 11 options: Avoid double negatives. Avoid loaded words. Use appropriate vocabulary. Don't use leading questions. Use compound questions. Question 12 (1 point) A cover letter Question 12 options: provides context for the research. provides legitimacy for the project. is not really necessary for mail surveys. should also be used with in-person interviews. provides context for the research and legitimacy for the project. Question 13 (1 point) Which of the following can increase response rate for a survey? Question 13 options: re-contacting respondents providing incentives changing samples calling cell phones both re-contacting respondents and providing incentives Question 14 (1 point) Phone interviews are appropriate for Question 14 options: in-depth exploration of complex matters. interviews that will be longer than 40 minutes. standardized, closed-ended surveys. investigating issues that are personal and sensitive. open-ended surveys