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一个小样本受试者内设计实验，受试者在实验允许的酒精剂量范围内自由选择摄入量。实验安排饮酒前，酒后３０分钟、１１０分钟和１７０分钟四个测试阶段，分别检验受试者在模拟驾驶和实际驾驶两项任务中的认知行为。酒后３０分钟实际驾驶的技能与其他三个测试期相比存在有意义的差别显著性；模拟测试任务中酒后对红、黄两种信号灯的认知反应时之间呈现显著性差别，酒后１１０分钟对黄色信号灯的反应明显延迟。研究提示：受试对酒精感受性的估计是不可靠的，小剂量酒精也能对驾驶行为构成伤害。
A small sample of subjects in the design of experiments, subjects in the experimental allowable dose of alcohol within the free choice of intake. The experiment arranges four test phases of 30 minutes, 110 minutes and 170 minutes after drinking alcohol to test the cognitive behavior of the subjects in simulated driving and actual driving respectively. There was a significant difference between the actual driving skills of 30 minutes after drunk and those of the other three test periods. There was a significant difference between the cognitive responses of the red and yellow lights in simulated test The response to the yellow signal after 110 minutes was significantly delayed. Research suggests that participants’ assessment of alcohol sensitivity is not reliable, and low doses of alcohol can also be harmful to driving behavior.