Abstract
A developmental hypothesis is derived from Parducci's Range-Frequency Compromise model of judgment. It is held that the range is developmentally the first basis of judgment and subsequently one learns the range-frequency compromise. Using 6- and 18-yr.-olds to test this hypothesis, the results clearly indicate that 6-yr.-olds are already making the range-frequency compromise in judgment. Therefore under the present experimental conditions the hypothesis is disallowed.
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