A method for controlling a level of quality of screwdriving by a screwdriver relative to a predetermined screwdriving objective. Such a method takes account of a series of data that are representative of the rise in torque of at least two screwdrivings of screws at a predetermined angular frequency and includes: obtaining a sub-series of data for each of the screwdriving operations, corresponding to a sub-series of measurements delivering the sub-series of data; optimized aggregation of the sub-series, to form the series of data, including eliminating data corresponding to a number of measurements that is determined according to a criterion of optimization of periodicity; and analyzing the series of data, delivering information representative of a dispersion and/or a deviation relative to the screwdriving objective, resulting from disturbances induced by the screwdriver.
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