Effects of information accuracy and volume on decision making

可靠性(半导体) 认知负荷 计算机科学 认知 信息过载 任务(项目管理) 信息来源(数学) 心理学 统计 功率(物理) 物理 量子力学 数学 管理 神经科学 万维网 经济
作者
Katherine R. Gamble,Daniel N. Cassenti,Norbou Buchler
出处
期刊:Military Psychology [Taylor & Francis]
卷期号:30 (4): 311-320 被引量:9
标识
DOI:10.1080/08995605.2018.1425586
摘要

Recent advances in information technology have resulted in increasingly complex work environments. Much of the complexity is due to a deluge of information available across networks (Gleick, 2011) and unknown reliability, which introduces additional uncertainty (Platt & Huettel, 2008). Understanding the performance characteristics of human information processing for optimal decision making under such conditions of data abundance and uncertainty is critical in complex networked information environments, such as military operations. One focus of the United States military is providing troops with the richness of information formally reserved for higher echelons (Bawden & Robinson, 2009). However, this effort risks cognitive overload, where too much information can result in impaired performance. The present study examined human decision making under varying levels of cognitive load and source reliability. Participants determined the reliability of two information sources and decided how to use them to minimize cognitive load and improve performance in a visual search task. Unbeknownst to participants, one source provided highly accurate information and one provided moderately accurate information. Results showed that participants had more trust in the more accurate than the less accurate source, and decision making accuracy decreased as cognitive load increased. When cognitive load was highest, participants were more accurate on trials with the more accurate source. Thus, the more accurate source facilitated better performance, whether through better intel or through participants offloading some of the cognitive load to the reliable source.
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