Resumo

KAZEZ, Ruth. Case study and the problem of sample selection: Aportations of data matrices system. Subj. procesos cogn. [online]. 2009, vol.13, n.1, pp.71-89. ISSN 1852-7310.

This article places the case study on the current perspective of qualitative research. It examines this kind of study giving importance to articulation and coherence in the moments of the research process. It focuses on sampling issues, considering the particularities it has on this kind of studies, attempting at the same time to express how the Data Matrices System can be a useful tool for justifying the sample decision methodologically.

Palavras-chave : Case studies; Methodology; Sampling; Data Matrices System.

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