A new generation of CAPI. New input techniques and multi-media features: is there any improvement in the data
Gerd Meier GfK AG, Department of Sampling, Germany
INTRODUCTION
In the last two decades computer technology has improved to the extent that as computers have increased in performance they have decreased in size. With this improvement, computers are able to take over more and more tasks in market research. At the beginning they were used only for computation, but more recently computers are also being used in data collection. Now they are used not only in laboratory or telephone studies but...