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Face-to-Face Surveys

One of the most effective forms of marketing research is the personal interview.

Opinions expressed by Entrepreneur contributors are their own.

The primary advantage of face-to-face interviews over telephone and mail surveys are: a low respondent-refusal rate, a less distorted sample--telephone availability and erratic postal response rates are not factors--and a wider range of subjects covered.

Excerpted from Starting a Home-based Business