This method has traditionally employed face-to-face interaction where rapport could be developed and visual aids could be used. However, in recent years, it has transformed due to the proliferation of technology as researchers seek alternative methods to reduce costs and increase the reach of their data collection. One way that researchers have approached this is through the increasing use of telephones in the collection of interview data. For example, in our multidisciplinary review, in the 1980’s only 1 work specifically cited using the telephone as a data collection medium. In the 1990’s that number grew to 8 and from 2000 on that number grew to 17 (see Appendix A).