Advantages Of Study In Group. Essay

Advantages Of Study In Group. Essay-36
And, whether qualitative or quantitative, case studies typically relate to single projects, or, at best, small clusters of projects, such that their results usually cannot be generalized to the entire portfolio of projects.Noting that distinguished scholars frequently use case study as a method of analysis, Yin, in his landmark book on case studies, asks, “If the case study method has serious weaknesses, why do investigators continue to use it?Using a “storytelling” approach, the evaluator may present the genesis of ideas, explore what happened and why, give an account of the human side of a project, explain goals, explore project dynamics, investigate particular phenomenon, and present outcomes in their complexity without being subject to the confines inherent in most other evaluation methods.

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For example, the case study can be exploratory (create new knowledge), constructive (solve some problem), or confirmatory (test a hypothesis with empirical evidence).

The case study can also use either a primary (the researcher collects the data) or secondary (the researcher uses someone else’s data) approach.

The main objective of this work is to present the case study method as a research approach and to consider issues relevant for the conduct using this method, analyzing its advantages and disadvantages that should be considered in light of the kinds of problems and questions to be answered.

Case study can accomplish many of the same goals as other methods.

This work is to present the case study as a research approach, showing that its characterization is not an easy task, due mainly to its many different approaches and applications.

It highlights its increasing importance as a research tool, exploring its origins, meanings and delineation as an investigation methodology.This is usually a problem of “inferences” in case studies, and can be dealt with using pattern-matching, which has been described above.(Yin 1994) External validity deals with knowing whether the results are generalizable beyond the immediate case.In order to demonstrate its application, it indicates its most common advantages and constraints, stressing the important role played by the researcher, who must be careful about generalizations, striving constantly for scientific rigor in the treatment of the subject.The case study method is considered a kind of qualitative analysis (GOODE, 1962) and has been considered, according to Yin (1994, p.Construct validity is especially problematic in case study research.It has been a source of criticism because of potential investigator subjectivity.Yin proposed three remedies to counteract this: using multiple sources of evidence, establishing a chain of evidence, and having a draft case study report reviewed by key informants.Internal validity is a concern only in causal (explanatory) cases.With this procedure it is assumed that one can acquire knowledge of the phenomenon studied from intense exploration of a single case.Besides the medical and psychological, it became a major methods of qualitative research in human and social sciences.


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