yin (1984) describes case studies as either explanatory, descriptive, or exploratory.
the evaluator captures the total scene of the situation. It can provide in depth information on a single unit, group or organization- through personal discussion, mutual interaction, observation, or review of existing documents. if the evaluator chooses to be involved in the activity, he or she may lose objectivity. if the group is aware of being observed, behavior may be affected- which is known as "hawthorne effect." different observers may not record events consistently. the evaluator has less control over the situation in a natural environment. This method has some limitations when one needs to gather information about people. the more structured the schedule, the easier to summarize and analyze data. it provides an opportunity to collect information directly about what is actually occurring within the natural settings. this method is useful to gather information about particular physical behaviors. crawford - back to table of contentsĪn observation schedule is typically a checklist or rating scale where the occurrences of particular, pre-identified events or features can be noted. Need a language or service not listed here? Use the full quote request form.įor detailed assistance, you can call us during normal business hours (9:00 AM–5:00 PM ET) at +1 (212) 380-1679.Introduction to program evaluation -whole document- dr. Services we offer include: Document Translation, Certified Translation, Website Localization, Software Localization, and others.
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