Rossman, pp. 119
4. Questionnaire/Survey - Marshall and Rossman, pp. 125-7
5. Focus Groups - Marshall and Rossman, pp. 114-5
6. Data Mining/Computational Data Collection* - Marshall and Rossman, pp. 130-1
*While this method is used in social informatics research, it is often used in conjunction with
additional methods (such as interviews or focus groups) to help contextualize raw data or to
add explanatory information beyond discovered variable correlations.