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In a recognition memory experiment, the time allowed for retrieval was controlled by using the offset of the probe as a signal to terminate retrieval and respond. The response latencies measured in the experiment indicate that this procedure effectively eliminated fast-guess strategies. The recognition signal-to-noise ratio, d', grows at a negatively accelerated rate as the allowed retrieval time is increased from 0.5 second to 1 and 2 seconds.
Adam V. Reed (Fri,) studied this question.