Finally, reviews of draft findings by peers and case study participants may uncover issues with the original study design. Levy used a single-case design for the study at the University of Arizona. Threats to internal validity include ambiguous temporal precedence, selection, history, maturation, regression, attrition, testing, instrumentation, and additive and interactive effects. Validity and generalization in future case study evaluations. Given the considerable time and resource requirements associated with conducting such studies GAO, , any misunderstandings regarding the purpose and implementation of the method as well as the validity of the resulting findings can have significant negative consequences. However, while it has often been viewed as a soft easy and not particularly rigorous research method, it is actually remarkably difficult to execute well in practice.
The modified instruments reflect both the current case organization and the technology environment under study. For that reason, this paper discusses methodological problems associated with qualitative case-based research and offers guidelines for overcoming them. The third condition, that was present in the Levy study and is evident in the current study, is that the events being examined are contemporary, although historic information was used. The authors should not assume that the readers or reviewers are experienced with, or accepting of, case-based research Stuart et al. This could serve to corroborate previously gathered data. The interview protocol used by Levy was free form and followed the recommendations of Yin
The interviewer thanks the go and introducgion permission for any future contact. Yin provided the assertion that external validity could be achieved from theoretical relationships, and from these generalizations could be made.
Australasian Journal of Information Systems, 18 1 Five qualitative approaches to inquiry. In other words, authors are encouraged to over- rather than under-report.
It is possible that a single dependent or independent variable could make this simpler than pattern-matching, but sometimes there are multiple changes in a variable, making starting and ending points unclear.
In any case, it is important that the theory the conceptual argument is convincing and plausible, even without explicit evidentiary support Siggelkow, Journal of Management Information Systems, 12 4 Explanatory case studies may be undertaken to investigate causal relationships; hence, they are mainly used for theory testing. These studies can be holistic or embedded, the latter occurring when the same case study involves more than one unit of analysis.
A definition of theory: These differences were examined within the introductiin described by King and Intorduction and adapted for use by Levy in a case study of the University of Arizona.
Thus a case study should use as many sources as are relevant to the study. Any clarifications should be followed up with the interviewees as soon as possible.
American Political Science Review, 98 2 The logic linking the data to the propositions should also ensure the correct type and amount of relevant information is collected. Record responses on the interview form.
Tellis, W. (1997) Introduction to Case Study. the Qualitative Report, 2(3)
The art of science. The criteria for interpreting the findings Yin,p. For that reason, this paper discusses methodological problems associated with qualitative case-based research and offers guidelines for overcoming them. In recommending that a chain of evidence be maintained, Yin was providing an avenue for the researcher to increase the reliability of the study.
In this study, the last three types of sources are not relevant, since they are related to direct sociological investigation, and are not used.
tellis w introduction to case study the qualitative report
The paper should be of interest to students honour, masters, doctoralacademics, and practitioners involved with conducting and reviewing qualitative casebased studies. They can be exploratory, descriptive, or explanatory, and they have been described as introdction preferred research method when how and why questions are posed, the investigator has little telllis over events, and the focus is on a contemporary phenomenon within a real-life context Yin, Chronicle of Higher Education, 40 42A19, A Theory-based data analysis for the social sciences.
He termed it “naturalistic” generalization. This advice especially makes sense if one agrees with the claim that unsolicited contact should be avoided. While the case study method has traditionally been classed as soft research, the properties described above actually make case studies particularly difficult to execute well Yin, Have you read this?
You can filter on reading intentions from the listas well as introductikn them within your profile. Design the case study protocol: Social Science Quarterly, 66, 1.
Introduction to case study. This paper originated from a study aimed at providing methodological foundations to Lessons Learned activities conducted by the Australian Defence Force ADF.
This process should be guided by prior theory Perry, The questionnaire developed by Levy was modified for use at Fairfield University.