Telephone interviews
Can be efficient
Can be a waste of money
People do not like intrusion in their private lives
Reluctance of telephone marketing calls
Survey
A blend of interviews and questionnaires
1-2 minutes
Interviewer reads out the questions and receivs an answer
High response rate
Fairly credible
Conclusion
Chosen method depends on the researcher
Devotion, time, money, environment, respondents
Not truly credible
Like flipping a coin
‘Even if the coin is perfectly fair, a sample of 10 flips will not always produce 5 head and 5 tails’ (Fowler F.J., Jr., 2009:12-13).
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