Instrumental case studies are useful in fields like psychology, the place a single case can offer important information regarding popular human behaviors or societal developments. Anna O as well as talking treatment: Anna O (pseudonym) was a German girl who was one of the initially people to undertake psychoanalysis. https://findsomeonetodocasestudy52745.ka-blogs.com/88340620/case-study-assignment-help-an-overview