Does sampling using random digit dialling really cost more than sampling from telephone directories: Debunking the myths
<p>Abstract</p> <p>Background</p> <p>Computer assisted telephone interviewing (CATI) is widely used for health surveys. The advantages of CATI over face-to-face interviewing are timeliness and cost reduction to achieve the same sample size and geographical coverage. Two...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
BMC
2006-02-01
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| Series: | BMC Medical Research Methodology |
| Online Access: | http://www.biomedcentral.com/1471-2288/6/6 |