| Summary: | <em>The choice of evaluation methodology sets a print on the structure and development of the entire assessment process. Most selections use to be made from among various quantitative strategies and techniques. Recently, program evaluation researchers have begun to discuss some of the limitations of quantitative techniques for addressing some evaluation questions. In this article, we highlight some of the differences between quantitative and qualitative approaches and suggest ways in which qualitative methods may be used in the evaluation effort. Qualitative evaluations use qualitative and naturalistic methods, sometimes alone, but often in combination with quantitative data. Qualitative methods include three kinds of data collection: in-depth, open-ended interviews, direct observation and written documents. All these, are sometimes agregated in building a case-study.</em>
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