Hasher, L., & Chromiak, W. (1977). The processing of frequency information: An automatic mechanism? Journal of Verbal Learning and Verbal Behavior, 16, 173-184.
Aspects of the processing of frequency information were investigated in two studies. In one, students at four ages from grade two to college were either informed or not prior to the presentation of words whose true frequency varied from zero to five, that their subsequent task would be to judge the number of times that each word appeared. Second graders were as prepared to process frequency differences as adults. A second study showed that practice at frequency counting does not improve the performance of young adults and neither does the provision of specific feedback regarding the accuracy of earlier performance. Frequency tagging appears to be an automatic aspect of the processing of information.
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