Which of the following descriptions best describes a 'case study', as one of the research methodologies?
1
A study of an individual or groups, in order to reach the best understanding of a situation, and to document lessons learned
2
A study of an individual, in order to reach the best understanding of a situation, and to document lessons learned.
3
A study based on simulating a realistic situation in which the researcher interacts with the participants in the study.
4
A simulation-based study in which each participant plays a role and interacts with others to solve a problem.