Definition 1

Decision makers have a variety of heuristics at their disposal when they make choices. One of these effort-reducing heuristics is referred to as elimination-by-aspects. When it is applied, decision makers gradually reduce the number of alternatives in a choice set, starting with the most important one. One cue is evaluated at a time until fewer and fewer alternatives remain in the set of available options (Tversky, 1972).

Source: Behavioral Economics

Definition 2