The Mobile-only Population in Portugal and Its Impact in a Dual Frame Telephone Survey
In 2007 the percentage of mobile-only households in Portugal reached 36%; this is one of the highest levels in EU27 countries according to the EU E-Communications Households Survey. To assess the extent and nature of the potential bias in fixed phone surveys created by the absence of mobile-only hou...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
European Survey Research Association
2009-06-01
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| Series: | Survey Research Methods |
| Subjects: | |
| Online Access: | https://ojs.ub.uni-konstanz.de/srm/article/view/1708 |