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Diagram includes examples of UXD research methods and how they align with the modes of logic. Inductive reasoning includes personas, one-on-one interviews, ethnographic field research, surveys, and card sorting. Deductive reasoning includes card sorting, landscape review, prototype testing, and eye-tracking. Abductive reasoning includes all of the mentioned methods.

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Deductive, Inductive and Abductive Reasoning - TIP Sheet - Butte College

Abductive Reasoning-- (also called abduction, abductive inference or retroduction) is a form of logical inference which goes from an observation to a theory which accounts for the observation, ideally seeking to find the simplest and most likely explanation. In abductive reasoning, unlike in deductive reasoning, the premises do not guarantee the conclusion. One can understand abductive reasoning as "inference to the best explanation".

Abductive reasoning (also called abduction,[1] abductive inference[2] or retroduction[3]) is a form of logical inference which goes from an observation to a theory which accounts for the observation, ideally seeking to find the simplest and most likely explanation. In abductive reasoning, unlike in deductive reasoning, the premises do not guarantee the conclusion. One can understand abductive reasoning as "inference to the best explanation". en.wikipedia.org

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