Triangulation
Triangulation examines a phenomenon through different sources, methods or perspectives
What it means, how it is used and where it comes up, with its related concepts.
What it is and how it works
It helps find points of agreement and explain discrepancies. For example, an interview can be complemented with observation and usage data. It is not about counting how many sources support an idea: their independence, quality and relevance to the question must also be assessed.
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