Learn how to carry out obtrusive observation. Within a case study involving human contributors, ethics tips will not usually allow you to "spy" to the contributors. You have to exercise obtrusive observation, wherever the participants are aware about your existence. As opposed to a quantitative study, you could talk to https://franciscogtati.jts-blog.com/27799064/5-essential-elements-for-find-someone-to-do-case-study