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Alternative TitleThe effect of graphical cues on understanding of stock-flow problems
乔韩1,2; 张警吁1,2
Conference Name第二十一届全国心理学学术会议
Source Publication摘要集-第二十一届全国心理学学术会议
Conference Date10.30-11.2
Conference Place北京
Contribution Rank1


本研究提出一种新的观点:存储流动问题错误的主要原因是问题的呈现方式引发个体了对错误整体的关注,而如果使用恰当的图形线索引导被试关注正确的整体,则会引发正确的心理模型,改善对该问题的理解。本文通过两个研究探究引导关注正确整体的图形线索是否能够对存储流动问题的理解起到改善作用。研究一使用商店人数问题,将128名被试随机分配到图形线索组(N =64)和原始呈现组(N =64),结果发现:在峰值问题上,图形线索的改善达到边缘显著;在谷值问题上,改善作用达到显著性水平。研究二进一步探讨该效应是否适用于不同的任务背景。结果发现,图形线索组(N =59)在回答浴缸、资金和商店三个任务的峰值问题上都显著优于原始呈现组(N =60),在累积谷值问题上对资金任务的促进作用也达到显著。研究初步验证了图形线索的促进作用。本文进一步讨论了该研究的理论和实践意义。

Other Abstract

Abstract:Understanding the stock-flow problem is critical to understanding how various systems work. Typical stock-flow problems include the accumulation of water in a bathtub, the accumulation of atmospheric carbon dioxide, and the accumulation of personal weight. A number of studies have found that people often fail to understand stock-flow problems correctly. For example, after telling the number of people entering or leaving a store changed over time, participants were asked to answer when was the largest number of people in the store (the accumulative peak question) and when was the fewest people in the store (the accumulative valley question), they were more inclined to use correlation heuristic thinking, that was to say, the accumulative peak occurred when the net inflow was maximum, and the accumulative valley occurred when the net outflow was maximum.Previous studies have shown that increasing motivation, reducing cognitive load, increasing familiarity with context, and changing the way problems are presented do not improve understanding of stock-flow problems. Knowledge training methods such as system dynamics training and mathematical ability training can promote understanding of this problem, but the improvement is still limited.

This study proposes a new viewpoint: the main reason for the failure of stock-flow problems is that the presentation of the problem causes the individual to pay attention to the wrong whole. If the subjects are guided to pay attention to the right whole with appropriate graphical cues, the correct mental model will be triggered and their understanding of the problem will be improved. In this paper, two studies were conducted to explore whether graphical cues guiding to the correct whole can improve the understanding of stock-flow problems. In study 1, 128 subjects were randomly assigned to the graphical cues group (N =64) and the original presentation group (N =64). Results showed that for the accumulative peak question, the improvement effect was marginally significant; for the accumulative valley question, the improvement effect reached a significant level. Study 2 further explored whether this effect was applicable to different task contexts. Results showed that the graphical cues group (N =59) was significantly superior to the original presentation group (N =60) in answering the accumulative peak questions of the three tasks of bathtub, capital and store, and also significantly promoted the capital task in the accumulative valley question. The study preliminarily verified the promotion effect of graphical cues. This paper further discussed the theoretical and practical significance of this research.

Keyword存储流动问题 整体性思维 心理模型 图形线索
Document Type会议论文
Corresponding Author张警吁
First Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
乔韩,张警吁. 图形线索对存储流动问题理解的影响[C],2018:802-803.
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