SINGLE JUDGMENTS OF NUMEROSITY
SINGLE JUDGMENTS OF NUMEROSITY
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DOI：
10.3758/bf03206218
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发表时间：
1982-01-01
期刊：
影响因子：
--
通讯作者：
KRUEGER, LE
中科院分区：
文献类型：
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作者：
KRUEGER, LE
在之前的研究中，人类受试者普遍低估了显示器中存在的元素数量。为了消除连续判断多个显示器时出现的范围和试验间效应以及可能导致低估的情况，本研究中的受试者仅判断单个显示器。单次判断拟合出指数为0.83的幂函数，与之前的数据一致。相比之下，对响度、面积和持续时间的单一判断产生了异常低的指数，显然是因为其他模态缺乏可用于数值的内置比例单位或模数。女性受试者低估数量的倾向比男性受试者要强得多。
In previous studies, human subjects generally underestimated the number of elements present in a display. To eliminate the range and intertrial effects that arise when several displays are judged in succession and that might have produced the underestimation, subjects in the present study judged only a single display. The single judgments fitted a power function having an exponent of 0.83, which is consistent with previous data. Single judgments to loudness, area, and duration, by contrast, have produced abnormally low exponents apparently because the built-in scale unit, or modulus, available on numerosity is lacking for other modalities. The tendency to underestimate numerosity was much stronger for female than for male subjects.