In-depth interviewing is a tool for collecting rich information that can inform program development and evaluation. Learn the basics with this 3-page fact sheet written by Lisa A. Guion, David C. Diehl, and Debra McDonald, and published by the UF Department of Family Youth and Community Sciences, August 2011. (UF/IFAS photo by Marisol Amador)

Triangulation is a method used by qualitative researchers to check and establish validity in their studies by analyzing a research question from multiple perspectives. This 3-page fact sheet presents five types of triangulation. Written by Lisa A. Guion, David C. Diehl, and Debra McDonald , and published by the UF Department of Family Youth and Community Sciences, August 2011. This is a major revision of : Guion, Lisa. 2002. “Triangulation: Establishing the Validity of Qualitative Studies”. EDIS 2002 (6). https://doi.org/10.32473/edis-fy394-2002.

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