Similarity Effect

Similarity Effect

Adding a new alternative to a choice set that is similar to one already in the set reduces the probability that the origninal item is chosen relative to other alternatives in the set
Sort of like dividing up market share of an alternative by simply adding in a similar alternative

updated on 10/18/00

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Adding a new alternative to a choice set that is similar to one already in the set reduces the probability that the origninal item is chosen relative to other alternatives in the set