This paper reports the results of an experiment on the accuracy of information processing during attention focused arousal under two conditions: single estimation and double estimation. The attention of 187 college students was focused by a task requiring high level competition for a monetary prize ($10) under severely limited time conditions. The…

The accuracy of the mean of two estimates was compared with the accuracy of a single independent estimate from the same subject. A subject was asked to estimate the size of one attribute of a constant stimulus, e.g., the total of a set of numbers. The same subject was also asked to give an estimate for an upper and lower bound on the size of the…