| 短时作业中警戒绩效影响因素的实验研究:兼用信号检测论分析 |
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| 引用本文： | 郭秀艳 李林. 短时作业中警戒绩效影响因素的实验研究:兼用信号检测论分析[J]. 心理科学, 1999, 22(5): 439-442 |
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| 作者姓名： | 郭秀艳 李林 |
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| 作者单位： | 华东师范大学心理学系!２０００６２ |
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| 基金项目： | 华东师大心理系理科基地班教改项目 |
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| 摘 要： | 本文研究了短时（１小时内）作业中警戒绩效的一些影响因素。实验采用ＥＰ７１０警戒仪，研究了短时作业中时间、信号密度（信噪比）以及信号显著性（占空比）对警戒绩效的影响。使用的方法为信号检测论。因变量指标为辨别力指数ｄ’和判断标准Ｂ。结果发现，作业时间和占空比对警戒绩效没有影响，信噪比对辨别力指数ｄ’有影响但对判断标准Ｂ没有影响。结果提示，在短时作业中，信噪比对警戒绩效起显著作用．
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| 关 键 词： | 警戒绩效 警戒下降 作业时间 信噪比 占空比 |
AN EMPIRICAL STUDY OF INFLUENTIALFACTORS IN SHORT - TERM VIGILANCEPERFORMANCE |
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| Guo Xityan, Li Lin, Xue Qingguo, Qingguo,ChenYun ''er. AN EMPIRICAL STUDY OF INFLUENTIALFACTORS IN SHORT - TERM VIGILANCEPERFORMANCE[J]. Psychological Science, 1999, 22(5): 439-442 |
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| Authors: | Guo Xityan Li Lin Xue Qingguo Qingguo ChenYun ''er |
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| Abstract: | This study investigated some influential factors inshort-term vigilance performance. With an EP710vigilance apparatus we explored the effects of time.signal density (signal-to-noise), and signalsalience (occupancy-to-vacancy) on vigilance performance. The investigation method was the signal detection theory. The dependent variables were the discrimination exponent (d') and judgement standard(P). The results revealed that there were no effects oftime and occupancy-to vacancy on short-term vigilance performance, and the effects of signal-to noise on d' but no effects on B. |
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| Keywords: | vigilance performance vigilance decline Performance time signal-to-noise occupancy-to-vacancy. |
| 本文献已被 CNKI 维普 等数据库收录！ |
