US— The American Association for Public Opinion Research (AAPOR) will look to update their guidelines on cellphones in survey research in the next year, as a recent study indicates that nearly a third of households in the US are now cellphone-only.
US— The American Association for Public Opinion Research (AAPOR) will look to update their guidelines on cellphones in survey research in the next year, as a recent study indicates that nearly a third of households in the US are now cellphone-only.