Using transportation and other social science data examples, and focusing in depth on telecommuting, we demonstrate that definitions, measurement instruments, sampling and sometimes vested interests affect the quality and utility even of seemingly objective and "measurable" data. Little...

A number of studies have examined the adoption of information and communication technology (ICT) and its impacts on personal travel, both at a general level and in the context of a particular kind of activity. While it is not surprising that initial attention has focused on the effects of ICT on...