然而，那些洗过手的人认知上的不一致性却减少了，他们对自己选中和淘汰的CD排名与在被要求挑选CD之前的排名差不多。
Those who had washed their hands, however, appeared to have reduced cognitive dissonance and rated their chosen and rejected CDs about as they had before having to choose between them.
认知无线电；频谱感知；信息熵；信号相关性；频谱一致性。
Cognitive radio; Spectrum sensing; Entropy; Signal correlation; Spectrum consistency.
问卷包括认知内驱力、自我提高内驱力、附属内驱力三个维度，具有良好的内部一致性信度和结构效度。
The questionnaire included cognitive internal drive, ego-enhancement drive and affiliated drive, which was of good internal consistency coefficient and constructs validity.
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