PROBLEM TO BE SOLVED: To decide the skill level of a user which is the index of the display of help in a computer operation.;SOLUTION: This skill level deciding device is provided with a history storage control part for, when any error is caused in the operation of a user for a function provided by an application, storing execution ID including error ID by associating it with user ID in a history database, a skill level deciding/updating part for extracting the error ID from the history database, and for reading an error skill level associated with the error ID from a decision reference database, and for calculating a user skill level, and for storing the calculated user skill level in the skill level database of the storage device by associating it with the user ID, and a skill level decision reference updating part for extracting the execution ID associated with the user ID from the history database, and for reading the user skill level associated with the user ID from the skill level database, and for calculating the error skill level and for storing the calculated error skill level by associating it with the error ID in a decision reference database.;COPYRIGHT: (C)2006,JPO&NCIPI
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