Wilma Roberts is conducting research to determine consumers' personal grooming habits. Because of the personal nature of the survey questions involved, Wilma wants to select the contact method that is most likely to encourage respondents to answer honestly and that will allow her to easily collect large amounts of data. Which of the following is best suited to meet Wilma's requirements?
A) mail questionnaires
B) telephone interviews
C) individual interviews
D) focus group interviews
E) immersion group discussions
Answer: mail questionnaires