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1 – 10 of 47Jianhua Sun, Suihuai Yu, Jianjie Chu, Wenzhe Cun, Hanyu Wang, Chen Chen, Feilong Li and Yuexin Huang
In situations where the crew is reduced, the optimization of crew task allocation and sequencing (CTAS) can significantly enhance the operational efficiency of the man-machine…
Abstract
Purpose
In situations where the crew is reduced, the optimization of crew task allocation and sequencing (CTAS) can significantly enhance the operational efficiency of the man-machine system by rationally distributing workload and minimizing task completion time. Existing related studies exhibit a limited consideration of workload distribution and involve the violation of precedence constraints in the solution process. This study proposes a CTAS method to address these issues.
Design/methodology/approach
The method defines visual, auditory, cognitive and psychomotor (VACP) load balancing objectives and integrates them with workload balancing and minimum task completion time to ensure equitable workload distribution and task execution efficiency, and then a multi-objective optimization model for CTAS is constructed. Subsequently, it designs a population initialization strategy and a repair mechanism to maintain sequence feasibility, and utilizes them to improve the non-dominated sorting genetic algorithm III (NSGA-III) for solving the CTAS model.
Findings
The CTAS method is validated through a numerical example involving a mission with a specific type of armored vehicle. The results demonstrate that the method achieves equitable workload distribution by integrating VACP load balancing and workload balancing. Moreover, the improved NSGA-III maintains sequence feasibility and thus reduces computation time.
Originality/value
The study can achieve equitable workload distribution and enhance the search efficiency of the optimal CTAS scheme. It provides a novel perspective for task planners in objective determination and solution methodologies for CTAS.
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Aiman El Asam and Muthanna Samara
The purpose of this paper is to examine the Cognitive Interview (CI) and its usefulness in improving recall among Arab children. Totally, 64 Arab children (9-12 years old) took…
Abstract
Purpose
The purpose of this paper is to examine the Cognitive Interview (CI) and its usefulness in improving recall among Arab children. Totally, 64 Arab children (9-12 years old) took part in this study; they viewed a short video scene followed by the CI or a Structured Interview (control).
Design/methodology/approach
The study measured for recall of correct, incorrect, confabulated details and accuracy level. Using the interview type, delay type (2-4, 7-10 and 14-16 days) and age group (9-10 and 11-12 years) a MANCOVA test showed that the CI group produced significantly more correct, incorrect and confabulated details compared to the control.
Findings
Delay had a significant effect on recall of correct detail while the older group of children produced significantly more correct details, higher accuracy and fewer incorrect and confabulated details. Although the CI is a potentially transferable method to be used with Arab children, careful consideration should be given to its difficulty along with cultural issues.
Originality/value
This is the first study to consider CI among Arab sample of children. Most research have looked at western cultures, hence this study was needed to extend knowledge and test if the CI is transferable to a different culture.
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Hanyu Yang, Jing Zhao and Meng Wang
This study aims to propose a centralized optimal control model for automated left-turn platoon at contraflow left-turn lane (CLL) intersections.
Abstract
Purpose
This study aims to propose a centralized optimal control model for automated left-turn platoon at contraflow left-turn lane (CLL) intersections.
Design/methodology/approach
The lateral lane change control and the longitudinal acceleration in the control horizon are optimized simultaneously with the objective of maximizing traffic efficiency and smoothness. The proposed model is cast into a mixed-integer linear programming problem and then solved by the branch-and-bound technique.
Findings
The proposed model has a promising control effect under different geometric controlled conditions. Moreover, the proposed model performs robustly under various safety time headways, lengths of the CLL and green times of the main signal.
Originality/value
This study proposed a centralized optimal control model for automated left-turn platoon at CLL intersections. The lateral lane change control and the longitudinal acceleration in the control horizon are optimized simultaneously with the objective of maximizing traffic efficiency and smoothness
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Keywords
Ren-huai Liu, Kai Sun and Dongchuan Sun
The purpose of this article is to put forward China’s Hanyu Pinyin word guanli as an academic basic term to the world.
Abstract
Purpose
The purpose of this article is to put forward China’s Hanyu Pinyin word guanli as an academic basic term to the world.
Design/methodology/approach
GUANLI as an academic basic term, which holds multiple meanings of several English words, such as management, administration, governance, etc. As a basic term, GUANLI, derived several words, such as GUANLIOLOGY, GUANLIST/GUANLIER and GUANLIWORK/GUANLIJOB, to precisely and exactly convey the Chinese GUANLI ideas. It is the historical mission and opportunity for the authors to research and establish the Chinese School of Modern GUANLI Science (CSMGS).
Findings
It is inevitably necessary to build the combined Chinese–Western discourse system of GUANLI science (CCWDSGS). Some other research results of CSMGS are also presented in this paper.
Research limitations/implications
It is needless to say that there are still lots of problems in China, including in the GUANLI field. These problems will gradually be solved in China’s reform and development that takes place continuously. New problems will come up while old problems are being solved and settled; problems producing in a loop, problems solving in a loop, this is the dialectics. The authors have full confidence in solving problems, as well as in China’s development and future.
Originality/value
Practice comes first and then it is followed by theory. The authors first have the “China Model”, followed by the “Chinese School” consequently. The “China Model” has already been there, and the “Chinese School” relies on the author’s proactive research and innovation. It is just the right time for the authors to study and create the CSMGS. This is the historical mission and opportunity awaited by contemporary Chinese.
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Xiaona Pang, Wenguang Yang, Wenjing Miao, Hanyu Zhou and Rui Min
Through the scientific and reasonable evaluation of the site selection of the emergency material reserve, the optimal site selection scheme is found, which provides reference for…
Abstract
Purpose
Through the scientific and reasonable evaluation of the site selection of the emergency material reserve, the optimal site selection scheme is found, which provides reference for the future emergency decision-making research.
Design/methodology/approach
In this paper, we have chosen three primary indicators and twelve secondary indicators to construct an assessment framework for the determination of suitable locations for storing emergency material reserves. By mean of the improved entropy weight-order relationship weight determination method, the evaluation model of kullback leibler-technique for order preference by similarity to an ideal solution (KL-TOPSIS) emergency material reserve location based on relative entropy is established. On this basis, 10 regional storage sites in Beijing are selected for evaluation.
Findings
The results show that the evaluation model of the location of emergency material reserve not only respects the objective knowledge, but also considers the subjective information of the experts, which makes the ranking result of the location of the emergency material reserve more accurate and reliable.
Originality/value
Firstly, the modification factor is added to the calculation formula of traditional entropy weight method to complete the improvement of entropy weight method. Secondly, the order relation analysis method is used to assign subjective weights to the indicators. The principle of minimum information entropy is introduced to determine the comprehensive weight of the index. Finally, KL distance and TOPSIS method are combined to determine the relative entropy and proximity degree of alternative solutions and positive and negative ideal solutions, and the scientific and effective of the method is proved by case study.
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Yu Hao, Hanyu Bai and Shiwei Sun
Coronavirus disease 2019 (COVID-19) has resulted in traveling restrictions and decreased the demand among travelers since the end of 2019. Policies and people’s behaviors are…
Abstract
Purpose
Coronavirus disease 2019 (COVID-19) has resulted in traveling restrictions and decreased the demand among travelers since the end of 2019. Policies and people’s behaviors are gradually changing with the increase in the number of new diagnoses of COVID-19. Tourism increases tourists’ risk of contracting COVID-19 and will undoubtedly be affected by this disease. Based on this assumption and social cognitive theory, this paper aims to explore the impact of COVID-19 on tourism in terms of people’s willingness to travel.
Design/methodology/approach
Based on social cognitive theory, this study has designed the model and variables. The data of the paper came from a survey conducted in 29 provinces of China and a total of 618 responses were used for data analysis after deleting invalid questionnaires. Drawing on the structural equation modeling method, this paper processes the data collected from questionnaires to test the hypotheses and come to the results.
Findings
The results indicate that the negative impact of COVID-19 will affect the severity perceptions, personal negative effects and positive effects of tourism during the outbreak, which will ultimately influence people’s willingness to travel. During the outbreak of COVID-19, impacted by environmental factors and personal factors, Chinese people’s willingness to travel has been significantly reduced.
Research limitations/implications
This study mainly focuses on people’s willingness to travel and the demand side of tourism to analyze the effects of COVID-19 on tourism, which neglects the supply side of tourism for analysis. Subsequent research should take account of the supply side of tourism and expanding the sample size worldwide to determine the impact of COVID-19 on the tourism industry from a broader perspective.
Originality/value
This study quantitatively analyzes how COVID-19 influenced the tourism industry and precisely determines the possible mechanism of the effect of COVID-19 on tourism by using social cognitive theory to build a model. The insights from the work help to understand how COVID-19 affects people’s willingness to travel during the pandemic and how to address this issue.
新冠疫情如何从旅游意愿方面影响旅游业?来自中国的实证研究¿目的
新型冠状病毒(COVID-19)自2019年底以来开始被发现, 随后逐渐蔓延至全球, 给人们的生活带来不小的影响。该病毒的发展使得人们的出行受到了较大的限制, 因而减少了人们对于旅游的需求。随着新冠疫情确诊人数的增加, 政府政策和人们的行为也处在变化之中。基于这一假设和社会认知理论, 本文旨在从人们的旅游意愿角度探究新冠疫情对旅游业的影响。
设计/方法学/方法
本文所设计的变量和模型是在社会认知理论的基础之上提出的。本研究的数据来源于面向中国29个省市自治区的问卷调查。在剔除无效问卷后, 总共搜集618份有效问卷进行数据分析。本研究采用了结构方程模型, 对假设进行检验、并得出最终结论。
发现
研究结果表明, 新冠疫情带来的负面影响会增加人们对疫情严重性的认知程度、疫情期间旅游给人带来的负面影响增大、正面影响减少, 从而最终影响人们的旅游意愿。在新冠疫情之下, 受到环境、个人因素的影响, 人们的旅游意愿显著降低。
研究局限/意义
本研究的数据均来源于中国, 所以将本文的结论应用于其他地区时, 由于不同地区的自然和社会环境差异, 结论可能会产生差异。本研究主要聚焦于人们旅游意愿的变化, 即旅游业的需求端, 来分析新冠疫情对旅游业的影响, 忽视了旅游业的供给端在新冠疫情期间对旅游业的影响分析。后续的研究可以考虑从旅游业供给端的变化进行分析、以及将样本数量扩大到全球范围, 从而可以从更广阔的视角来探究新冠疫情对旅游业的影响。
创新点/价值
本研究定量分析了新冠疫情如何影响旅游业, 并利用社会认知理论建立模型来精确判断这一影响的可能机理。本文的发现有助于了解新冠疫情如何影响人们在疫情行期间旅行的意愿, 以及制定相关的应对措施。
Cómo afecta COVID-19 al turismo a través de la disposición de las personas a viajar? Evidencia empírica de ChinaPropósito
El coronavirus (COVID-19) se descubrió desde finales de 2019 y luego se extendió gradualmente a todo el mundo, lo que tuvo un gran impacto en la vida de las personas. La propaganda del coronavirus ha provocado muchas restricciones en los viajes de las personas, por lo tanto, reducía la demanda de viaje de las personas. Con el aumento en el número de casos confirmados de COVID-19, las políticas gubernamentales y el comportamiento de las personas también se están cambiando. Basado en esta hipótesis y teoría cognitiva social, este artículo tiene como objetivo explorar el impacto del COVID-19 en el turismo desde la perspectiva de la disposición de las personas a viajar.
Diseño/Metodología/Método
Las variables y modelos diseñados en este artículo se proponen sobre la base de la teoría cognitiva social. Los datos para este estudio provienen de las encuestas por cuestionario de 29 provincias, municipios y regiones autónomas de China. Después de excluir los cuestionarios no válidos, se recopilaron un total de 618 cuestionarios válidos para el análisis de datos. En este estudio, se utiliza el modelo de ecuación estructural y la prueba de la hipótesis, al final llegar a la conclusión.
Encuentro
El resultado de la investigación muestra que el impacto negativo del COVID-19 aumenta la conciencia de las personas sobre la gravedad de la epidemia, y el impacto negativo del turismo durante la epidemia se aumenta y el impacto positivo se disminuye, lo que al fianl afecta la disposición de las personas a viajar. Bajo el COVID-19, afectada por factores ambientales y personales, la disposición de las personas a viajar se ha reducido significativamente.
Limitaciones/Significados de la investigación
Los datos de este estudio son todos de China, por lo que cuando las conclusiones de este artículo se aplican a otras regiones, las conclusiones pueden diferir debido a las diferencias en los entornos naturales y sociales de diferentes regiones. Esta investigación se centra principalmente en el cambio del deseo de viajar de las personas, es decir, el lado de la demanda del turismo, para analizar el impacto del COVID-19, por eso ignora el análisis del impacto de la oferta turística en el turismo durante el COVID-19. Los estudios posteriores se pueden considerar desde el aspecto de analizar los cambios en el lado de la oferta del turismo y expandir el número de muestras a una escala global, por lo tanto, se puede explorar el impacto del COVID-19 desde una perspectiva más amplia.
Punto/Valor de innovación
El encuentro de este artículo ayuda a comprender cómo el COVID-19 afecta la disposición de las personas a viajar durante la epidemia y a formular medidas de respuesta relevantes.
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Keywords
Chun Wang, Baiyi Li, Baizhan Li and Andrew Baldwin
The purpose of this paper is to present a detailed case study on the methods and organisational structure used for controlling the time schedule for a large and complex project…
Abstract
Purpose
The purpose of this paper is to present a detailed case study on the methods and organisational structure used for controlling the time schedule for a large and complex project. The paper discusses the use of “project controlling”, a term used to describe project control by a third-party organisation.
Design/methodology/approach
The researchers used action research to collect data for the case study. A member of the research team was a “participant-observer” on the project on a day-to-day basis for a period of 18 months collecting and analysing data which were subsequently analysed by a mixed methods approach.
Findings
The use of a “Project Controlling Unit” operated by an independent adviser organisation has significant advantages over traditional methods. It can provide timely, consolidated, independent guidance to the client and assistance to other participating organisations.
Research limitations/implications
The research has confirmed the effectiveness of the method on the project under study.
Practical implications
The findings provide guidance for enhanced project control on large complex infrastructural projects that will be of interest to other researchers, other clients and other construction organisations both within China and internationally.
Social implications
Organisations that seek to develop Project Controlling Units to implement the methods described in this paper will need to review their recruitment and training strategies to ensure that appropriate and experienced staffs are engaged.
Originality/value
The paper extends the knowledge relating to “project controlling” method. The findings provide additional insights to progress reporting and the management of construction production on HOPSCA and other large infrastructural projects.
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Keywords
Dang Luo, Lili Ye, Yanli Zhai, Hanyu Zhu and Qicun Qian
Hazard assessment on drought disaster is of great significance for improving drought risk management. Due to the complexity and uncertainty of the drought disaster, the index…
Abstract
Purpose
Hazard assessment on drought disaster is of great significance for improving drought risk management. Due to the complexity and uncertainty of the drought disaster, the index values have some grey multi-source heterogeneous characteristics. The purpose of this paper is to construct a grey projection incidence model (GPIM) to evaluate the hazard of the drought disaster characterised by the grey heterogeneity information.
Design/methodology/approach
First, the index system of the drought hazard risk is established based on the formation mechanism of the drought disaster. Then, the GPIM for the heterogeneous panel data is constructed to assess drought hazard of five cities in Henan Province. Subsequently, based on the assessment results, the grey clustering model is employed for the regional division.
Findings
The findings demonstrate that five cities in central Henan Province are divided into three categories, which correspond to three different risk grades, respectively. With respect to different drought risk areas, corresponding countermeasures and suggestions are proposed.
Practical implications
This paper provides a practical and effective new method for the hazard assessment on drought disaster. Meanwhile, these countermeasures and suggestions can help policy makers to improve the efficiency of drought resistance work and reduce the losses caused by drought disasters in Henan Province.
Originality/value
This paper proposes a new GPIM which resolves the assessment problems of the uncertain systems with grey heterogeneous information, such as real numbers, interval grey numbers and three-parameter interval grey numbers. It not only expands the application scope of the grey incidence model, but also enriches the research of panel data.
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Agnieszka Wojtczuk-Turek, Dariusz Turek, Le Tan and Hanyu Gao
Drawing on the job demands-resources theory (JD-R), this study aims to discuss the relationship between paradoxical leadership and job crafting (approach and avoidance)…
Abstract
Purpose
Drawing on the job demands-resources theory (JD-R), this study aims to discuss the relationship between paradoxical leadership and job crafting (approach and avoidance), considering the moderating role of overwork climate and organisational identification in two cultural context (China and Poland).
Design/methodology/approach
The research was conducted on employees from diversified organisations in two different cultural context: China (N = 408) and Poland (N = 400). Statistical verifications of the three-way interaction effect were conducted with Jamovi version 2.3 and multigroup analysis with SPSS AMOS version 29.
Findings
The results showed that employees who perceive high levels of paradoxical leadership and overwork climate as well as possess a high level of organisational identification engage stronger in job crafting, both approach and avoidance. Moreover, the results demonstrated that the dimensions of culture: individualism-collectivism moderate the relationship between the variables tested, in such a way that the relationship is stronger with the lower level of individualism.
Research limitations/implications
This study has two limitations: its cross-sectional design and the use of self-reported questionnaire data.
Originality/value
The study expands knowledge of the relationship between paradoxical leadership and job crafting in two different cultural contexts.
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Keywords
Xiaojun Zhan, Wenhao Luo, Hanyu Ding, Yanghao Zhu and Yirong Guo
Prior studies have mainly attributed customer incivility to dispositional characteristics, whereas little attention has been paid to exploring service employees' role in…
Abstract
Purpose
Prior studies have mainly attributed customer incivility to dispositional characteristics, whereas little attention has been paid to exploring service employees' role in triggering or reducing customer incivility. The purpose of the present study is to propose and test a model in which service employees' emotional labor strategies affect customer incivility via influencing customers' self-esteem threat, as well as examine the moderating role of customer's perception of service climate.
Design/methodology/approach
Based on a matched sample consisting of 317 employee-customer dyads in China, multiple regression analysis and indirect effect tests were employed to test our model.
Findings
The study shows that employee surface acting is positively related to customer incivility, whereas deep acting is negatively associated with customer incivility. Moreover, customer self-esteem threat mediates the relationship between both types of emotional labor and customer incivility. Customer perception of service climate moderates the relationship between deep acting and customer self-esteem threat.
Originality/value
The current research broadens the antecedents of customer incivility from the employee perspective and sheds more light on the role of customer self-esteem in the interactions between employees and customers. It also demonstrates a complementary relationship between service climate and individual employees' emotional labor strategies, thereby expanding the existing understanding of the management of employees' emotional labor.
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