Advantages
- Extremely fast implementation and delivery of results. Usually within 48 to 72 hours from start to finish.
- By far the lowest cost method.
- Easy to set quota.
- Easier to obtain samples that reflect population and apply statistical significance.
Disadvantages
- The number and type of questions are more limited.
- Lower response rates require larger lists from which to draw samples.
- Cannot conduct conjoint or discreet choice surveys.
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