Triangulation is an approach to data collection and analysis that uses multiple methods, measures, or approaches to look for convergence on product requirements or problem areas. While the term "triangulation" may not trip off the tongues of HCI practitioners, we often employ triangulation, implicitly or explicitly, to bolster our recommendations and be more persuasive to our colleagues. Consider how convincing you might be if the results you obtain independently from usability tests, field interviews, and customer support data all indicate similar problems. This convergence of results across different data collection methods can help you convince a team to focus…
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