define case study
analysis of unusual or typical individuals or events to produce qualitative data
(in depth investigation, description or analysis of a single event, institution, individual, group)
what do case studies tend to be and involve
give 3 strengths of case studies
+ rich detailed insights that shed light on atypical behaviour
+ contribute to understanding of typical functioning
+ leads to future studies by producing hypothesis
+ leads to review of theories alternative evidence
give 4 limitations of case studies