Evaluators considering the case study as a design for evaluation must first decide what type of evaluation question their specific question is and then examine the strengths and limitations of each type of case study for answering it.
Evaluators have to study the strength and weaknesses of case studies.
Case studies cannot be used as designs for evaluation.
Three dogs are playing with a man
A woman makes out with a man on a bench.
The water-drawing ceremony attracts less people than the fire ceremonies.
The woman is jumping down the stairs.
Two boys playing nintendo
The old man is unhappy