Timing accuracy under Microsoft Windows revealed through external chronometry

CHRISTOPHER D. CHAMBERS; MEL BROWN

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Timing accuracy under Microsoft Windows revealed through external chronometry

机译：通过外部计时显示Microsoft Windows下的计时精度

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Recent studies by Myors (1998, 1999) have concluded that the Microsoft Windows operating system is unable to support sufficient timing precision and resolution for use in psychological research. In the present study, we reexamined the timing accuracy of Windows 95/98, using (1) external chronometry, (2) methods to maximize the system priority of timing software, and (3) timing functions with a theoretical resolution of 1 msec or better. The suitability of various peripheral response devices and the relative timing accuracy of computers with microprocessors with different speeds were also explored. The results indicate that if software is properly controlled, submillisecond timing resolution is achievable under Windows with both old and new computers alike. Of the computer input devices tested, the standard parallel port was revealed as the most precise, and the serial mouse also exhibited sufficient timing precision for use in single-interval reaction time experiments.

机译：Myors（1998，1999）的最新研究得出的结论是，Microsoft Windows操作系统无法支持用于心理学研究的足够的定时精度和分辨率。在本研究中，我们使用以下方法重新检查了Windows 95/98的计时精度：（1）外部计时，（2）使计时软件的系统优先级最大化的方法，以及（3）计时功能的理论分辨率为1毫秒或更好。还探讨了各种外围响应设备的适用性以及带有不同速度微处理器的计算机的相对定时精度。结果表明，如果对软件进行了适当的控制，则在Windows下，无论新旧计算机都可以实现亚毫秒级的定时分辨率。在测试的计算机输入设备中，标准并行端口被认为是最精确的，而串行鼠标也表现出足够的定时精度，可用于单间隔反应时间实验。

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《Behavior Research Methods, Instruments & Computers》 |2003年第1期|p.96-108|共13页
作者
CHRISTOPHER D. CHAMBERS; MEL BROWN;
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Cognitive Neuroscience Laboratory, Department of Psychology, University of Melbourne, Victoria, Australia 3010;

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正文语种 eng
中图分类心理学;
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Timing accuracy under Microsoft Windows revealed through external chronometry

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