Making informed decisions: Assessing the strengths and weaknesses of study designs and analytic methods for comparative effectiveness research. Some recommendations for multi-arm multistage trials. Statistical Methods in Medical Research 25(2):716–727.
Typically, data are gathered from a variety of sources and by using several different methods (e.g. The case study research method originated in clinical medicine (the case history, i.e. In psychology, case studies are often confined to the study of a particular individual. Appropriate use and reporting of uncontrolled case series in the medical literature. Barriers and opportunities for implementation of adaptive designs in pharmaceutical product development. This makes it clear that the case study is a method that should only be used by a psychologist, therapist or psychiatrist, i.e. This comes from interviews and other sources, such as observation.The client also reports detail of events from his or her point of view.The data collected can be analyzed using different theories (e.g.grounded theory, interpretative phenomenological analysis, text interpretation, e.g. All the approaches mentioned here use preconceived categories in the analysis and they are ideographic in their approach, i.e. Efficiencies of platform clinical trials: A vision of the future. An overview of randomization techniques: An unbiased assessment of outcome in clinical research. Amongst the sources of data the psychologist is likely to turn to when carrying out a case study are observations of a person’s daily routine, unstructured interviews with the participant herself (and with people who know her), diaries, personal notes (e.g.letters, photographs, notes) or official document (e.g. The case study method often involves simply observing what happens to, or reconstructing ‘the case history’ of a single participant or group of individuals (such as a school class or a specific social group), i.e. The interview is also an extremely effective procedure for obtaining information about an individual, and it may be used to collect comments from the person's friends, parents, employer, workmates and others who have a good knowledge of the person, as well as to obtain facts from the person him or herself.