Paper 2 · November 2018 · data collection
Which of the following is an advantage of using telephone interviews as a way of collecting data?
AThey remove the interviewer's influence on how respondents answer questions.
BThey are quicker and cheaper to carry out than face-to-face interviews.
CThey require the respondent to complete and post back a written form.
DThey let the interviewer observe the respondent's body language directly.
Explanation
Telephone interviews avoid the travel and time costs of visiting respondents in person, so they are typically quicker and cheaper to run than face-to-face interviews while still allowing two-way clarification of questions.
Derived from ZIMSEC Statistics Paper 2, November 2018, Q1