Thinking about the notion of always using the right tool for the job (as an example if you were going to nail a nail into a wall I am sure you would agree that a "hammer" would be the correct tool to use, not a "garden hose". A garden hose is a GREAT tool to use if you need to water your lawn but it is the WRONG tool to use to nail in a nail) how are quantitative data sources and instrument different from the data sources and instruments used in qualitative methodology