Nursing My question is that I have two communities to look at and I have to describe one health and one safety issue in each city Ironridge is a community that is under fire air pollution all over seems like there is no living person there the other community is Summerville it is the community with families police station and a playground why is this participant observation an example of qualitative research what are the other ways both qualitative and quantitative that you could research this question? Finally how are theory research, and practice advanced by the combination of qualitative and quantitative approaches