A new law of choice-reaction time is proposed as an alternative to the classical Hick-Hyman's law and the Sternberg's law. A reanalysis of some experimental data, including those by Hick and Hyman, indicates that this alternative law may provide at least as good fits to experimental data as do the Hick-Hyman's and the Sternberg's laws. An important implication of this finding is pointed out concerning the rate of change of information.
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