Paper 2 · data collection
Which of the following is an advantage of using telephone interviews as a way of collecting data?
AThey are quicker and cheaper to carry out than face-to-face interviews.
BThey require the respondent to complete and post back a written form.
CThey let the interviewer observe the respondent's body language directly.
DThey remove the interviewer's influence on how respondents answer questions.
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

