If it is a case study often there is usually a problem definition/scope/abstract (it really depends on what type and who is publishing). I often start with that and then skip to the back to te conclusion. This gives me a bit if a road map of how and what to read. If I read beginning to end I often get lost in confusing technical academic jargon.

After doing that I think about all the questions I have. Then go forth and read it through keying in on the areas that may answer my questions.

I really like data and graphs so I usually spend lots if time playing around and testing theories that I may have as I analyze.