Liang Qi

Second Military Medical University

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i-10 index

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Cleotilde González

Carnegie Mellon University

Nalyn Sriwattanakomen

Carnegie Mellon University

Guoliang Chen

Sun Yat-sen University

Xiaorong Liu

University of Virginia

Tai Xie

Second Military Medical University

Jeffrey S. Chrabaszcz

Software Engineering Institute

Zhi-Yin Xu

Second Military Medical University

Xudong Liu

University of Science and Technology of China

Cooperative Institutions

Carnegie Mellon University

Second Military Medical University

Sun Yat-sen University

Decision Sciences (United States)

First Affiliated Hospital of Wenzhou Medical University

First Affiliated Hospital of Jinan University

Yan'an University

Dongguan People’s Hospital

Wenzhou Medical University

State Key Laboratory of Optoelectronic Materials and Technology

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Mathematical knowledge is related to understanding stocks and flows: results from two nations

System Dynamics Review (2015)

Liang Qi Cleotilde González

Stocks and flows (SF) are essential to every-day judgments: debt changes with rates of incomes and expenses, and body weight with calories consumed and energy expended. Research suggests that individuals with strong mathematical skills have a poor understanding of SF. However, past research used homogeneous participant samples and the relationship between mathematical knowledge and performance in SF tasks was not tested. In two studies involving different populations from China and the U.S.A, we find that individuals with better general mathematical knowledge tend to be more accurate in SF tasks. We find that most participants who make mistakes follow an erroneous correlation heuristic; however, we also find that the use of this heuristic is not related to mathematical knowledge. Our results open the door to new research questions, including the type of mathematical knowledge needed and the relationship of mathematical knowledge and cognitive processes that people need for solving SF tasks. Copyright © 2015 System Dynamics Society

10.1002/sdr.1539

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Citations (18)

Graphical features of flow behavior and the stock and flow failure

System Dynamics Review (2017)

Cleotilde González Liang Qi Nalyn Sriwattanakomen Jeffrey S. Chrabaszcz

10.1002/sdr.1570

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Citations (11)

Development and application of triage and medical evacuation system for casualties at sea

Military Medical Research (2014)

Tai Xie Xiaorong Liu Guoliang Chen Liang Qi Zhi-Yin Xu

Traditional triage could not meet the needs of battlefield casualties’ care in modern warfare. This paper designs of triage and medical evacuation system for casualties at sea that can quickly address mass-casualty triage, and store and transmit medical information during battlefield treatment and medical evacuation. This system consists of a high-capacity medical information card, a simulated patient generator, a triage classifier and a multifunctional airbag triage vest.

Triage

Battlefield

Medical evacuation

Mass Casualty

Modern warfare

Medical information

Military medicine

10.1186/2054-9369-1-12

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Citations (5)

Development and Application of a High Capacity Medical Information Card

Chinese Medical Equipment Journal (2011)

Liang Qi

Objective To implement collection,analysis,using,transmitting,storage and management of information of mass casualties in diversified military mission,make prompt classification and automatic management of the information,and promote the ability and informationized level of military health service.Methods taking advantage of modernization information technology,a new high capacity medical information card was developed,combined with radio-frequency identification and mobile storage technology.Results The high capacity medical information card could meet the demand of collection,analysis,using,transmitting,storage and management of information of mass casualties in diversified military mission.Conclusion High capacity medical information card can improve the abilitry of classification for mass casualties in diversified military mission in a large extent,and guarantee the continuity of the information transmission,which is important to improve the level of informationization of military health administration.

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Math matters: mathematical knowledge plays an essential role in Chinese undergraduates' stock‐and‐flow task performance

System Dynamics Review (2019)

Liang Qi Cleotilde González

Abstract People's understanding of accumulation (stock) and of rates of change (flows) is essential to successful decision making in dynamic environments. However, past research suggests that highly educated Western people are often unable to infer the behavior of stock–flow systems. In an empirical study involving a population of university students in China, we tested whether mathematical knowledge, global–local processing and domain experience affect participants' performance in stock–flow tasks. We find that Chinese undergraduates had good performance in general, and individuals with more mathematical knowledge performed better on stock–flow tasks. We discuss the possible reasons that explain these participants' success. Future research needs to extend our work to more diverse populations across different cultures, nations and education systems. Comparative studies on the content of math education under a cross‐cultural frame are desirable to uncover more essential factors for people's understanding of stock–flow structures. © 2019 System Dynamics Society

Stock (firearms)

Empirical Research

Affect

10.1002/sdr.1640

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Citations (8)