Disclosed is a collaborative development support system that is provided with an information acquisition unit for acquiring operation history information as well as identification code information; a dividing unit for dividing the operation history information into operation groups, each being a set of consecutive operations according to a predetermined condition; a calculation unit for setting as an index at least one of a speed at which the input device was operated, a correction operations that is an action for correcting an operation of an operator and an operation including an invalid operation that is not accompanied by an input, and calculating a degree of familiarity represented by the index for each of the operation groups divided by the dividing unit; and a storage unit for associating the identification code information and the operation history information with the degree of familiarity and storing the same into an operation history database.
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