USER SUPPORT DEVICE, METHOD, AND PROGRAM

摘要

A user support device for correctly judging the perplexed state of the user to provide support. The user support device comprises a perplexed state judging section (107) and an operation support section (109). The perplexed state judging section (107) judges whether the user is in the perplexed state on the basis of the fluctuation trend of dwell time reflecting decision making time required until each operation is performed in a series of operations performed by the user following a plurality of menus arranged in a tree structure. The operation support section (109) supports the operation when a positive judgment is made by the perplexed state judging section (107).