One way is to develop a working definition of the case study that embodies its essential methodological features and then to examine the strengths and limitations of case studies for different evaluation questions.
Case studies have strengths and limitations that can be examined.
None of the case studies have examinable strengths and limitations.
Norm told me I could not go to the conference.
A crowd is standing outside watching a performer.
People are waking up in the cabin.
A wonderful logical idea blossomed in Tommy's mind.
The man is on the street.
Boys and girls in red uniforms are playing outdoors.