A heuristic device is
[a]ny procedure which involves the use of an artificial construct to assist in the exploration of …[complex] phenomena.
A heuristic device is … a form of preliminary analysis.
[A] heuristic device is usually employed for analytical clarity, although it can also have explanatory value as a Model.Dictionary of Sociology
Heuristic devices play a central role in Sensemaking.
References
- Dictionary of Sociology: “Heuristic Device”