Question: 18) Which does not represent a systematic method of research? 1. pre-testing of a survey to determine potential biases in wording 2. verifying that interviews
18) Which does not represent a systematic method of research?
1. pre-testing of a survey to determine potential biases in wording
2. verifying that interviews were actually conducted with selected respondents by use of a telephone
3. use of a nonprobability sample in a legal case involving retail pricing
4. removing potential respondents, who have moved prior to a store being renovated, from a store image survey
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