It is widely accepted that the Internet has become a valuable resource for social scientists, not just for the purpose of information exchange; via e-mail, discussion groups and electronic journals, but also as a medium for data collection. Its global nature gives a researcher access to a vast range of individuals located around the world. It also opens up access to difficult to hitherto penetrate study areas, such as sensitive research on deviant behaviour. Further, it is claimed that considerable savings to both research budgets and time frames are made possible with the new technology.

It is not surprising, therefore, that a substantial body of research, employing the Internet as the primary means of data collection, already exists. This raises a number of questions as to how the Internet fares as a research tool. Are there any important methodological issues that this new approach raises? Do the traditional research methods suffice? Or are adaptations to existing methods necessary when difficulties are encountered? Does such changes affect the more fundamental question of the research design? These questions are considered in this thesis.

To answer them, I consider two different types of empirical research designs. The first, survey research, is a quantitative, numerical design that traditionally has a high level of control. I consider in detail issues of sampling, including non-response, and questionnaire design. The second design examined, ethnographic research, is qualitative, textual and generally has a low level of researcher control. I address the methods used in cyber ethnography and then discuss the considerable ethical concerns that feature in such research.

I conclude that, on the whole, the existing methods can be transferred to Internet research. Indeed, some of the problems faced in traditional research are also considerations in Internet studies and can be overcome by employing similar techniques, such as using incentives to reduce non-response rates. However, a number of new problems emerge, such as the lack of paralinguistic cues, which require adaptations to the existing methods in order to produce results that can be considered valid and reliable. However, I also argue that these necessary adaptations to the methods do not affect the underlying principles found in the research design.

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