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1 – 10 of 26Navid Mirzakhani Araghi, Mehdi Alizadeh Zarei, Shafagh Saei and Parvin Dibajnia
To quantitatively measure the subtle and general symptoms of autism spectrum disorder (ASD), one of the instruments that have been designed and used is the social responsiveness…
Abstract
Purpose
To quantitatively measure the subtle and general symptoms of autism spectrum disorder (ASD), one of the instruments that have been designed and used is the social responsiveness scale (SRS). The purpose of this study is to translate the second edition of the SRS into Persian and to examine its psychometric properties in school and preschool children with ASD.
Design/methodology/approach
The present study is a methodological study of the psychometric type; the study population consisted of school and preschool children from 3 to 12 years of age with ASD and an intelligence quotient of approximately 70. In total, 10 professors and occupational therapists with research and clinical experience in the field of children, were selected for the translation and content validation stages by expert sampling. To determine the validity of the instrument, the content validity index (CVI) and the content validity ratio (CVR) were used; in addition, to determine the reliability, the internal consistency determination method with Cronbach’s alpha number report and inter-rater reliability method within-class correlation coefficient report were used.
Findings
The calculated CVI and CVR of the instrument for all instrument items were 0.82 and 0.86, respectively. The intra-class correlation coefficient performed by different raters was 0.80 and Cronbach’s alpha for all items was 0.93.
Originality/value
The reliability and validity of the Persian version of the social responsiveness scale-second edition are appropriate and acceptable so that this instrument can be used to assess the social performance skills of 3–12-years-old children with ASD for research and clinical study.
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Mohammad Bashokuh-E-Ajirloo, Bahman Khodapanah, Mehdi Alizadeh and Mehdi Ebrahimzadeh
The main objective of this study is to explain the relationship between members' cultural values on structure and performance of the entrepreneurial teams that located in Tehran.
Abstract
Purpose
The main objective of this study is to explain the relationship between members' cultural values on structure and performance of the entrepreneurial teams that located in Tehran.
Design/methodology/approach
Data used in this study are collected by a questionnaire distributed among managers and other executive members of SMEs located in Tehran. One hundred and thirty-nine participants completed the questionnaires, and their responses were analyzed using partial least squares technique. Measures showed good convergent and discriminant validity. Furthermore, Cronbach's alpha, as reliability indicator for all measures, is at the acceptable level.
Findings
Research finding shows that all hypothesis supported in Iran contex. Entrepreneurial team members' cultural values have positive and significant effect on the entrepreneurial team structure. Entrepreneurial team members' cultural values have significant effect on the entrepreneurial team performance and also, the structure of the entrepreneurial team has a positive and significant effect on the entrepreneurial team performance.
Originality/value
These studies mostly focused on technical dimensions of entrepreneurial teams and overlooked the cultural values of their members.
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Mehdi Dehghan, Mehdi Tatari and Asma Azizi
The purpose of this paper is to consider the well‐known Falkner‐Skan equation. This equation appears in the modelling of various phenomena in physics and engineering.
Abstract
Purpose
The purpose of this paper is to consider the well‐known Falkner‐Skan equation. This equation appears in the modelling of various phenomena in physics and engineering.
Design/methodology/approach
The He's variational iteration method which is a very efficient tool for solving different kinds of problems, is employed for solving this problem.
Findings
Some other approaches are introduced to compare the efficiency of the new procedure. Several test examples are given to show the advantages of the present method over other existing techniques.
Originality/value
In this paper, a new and efficient technique is proposed to solve the Falkner‐Skan equation.
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Keywords
Elahe Hosseini, Saeid Saeida Ardekani, Mehdi Sabokro and Aidin Salamzadeh
A review of previous studies on the voices of employees and knowledge workers clarifies that paying attention to employees' voice is critical in human resource management…
Abstract
Purpose
A review of previous studies on the voices of employees and knowledge workers clarifies that paying attention to employees' voice is critical in human resource management. However, limited studies have been conducted on it, and much less emphasis has been placed compared to other human resource management activities such as human resource planning. Therefore, the voice of knowledge employees has been one of the critical issues that have attracted a great deal of attention recently. Nonetheless, there is no evidence of various comprehensive and integrated voice mechanisms. As a result, this study aims to design knowledge workers' voice patterns in knowledge-based companies specialising in information and communication technology (ICT) in Iran in May and June 2020.
Design/methodology/approach
This study is a qualitative grounded theory research. We collected the data from a target sample of 15 experts in knowledge-based ICT companies using in-depth semi-structured interviews. Since all the participants had practised the employee voice process, they were regarded as useful data sources. Data analysis was also performed using three-step coding (open, axial and selective) by Atlas T8, which eventually led to identifying 14 components and 38 selected codes. We placed identified components in a paradigm model, including Personality Characteristics, Job Factors, Economic Factors, Cultural Factors, Organisational Policies, Organisational Structure, Climate Of Voice in the Organisation, Management Factors, Emotional Events, Communications and Networking, Contrast and Conflict and, etc. Then, the voice pattern of the knowledge staff was drawn.
Findings
The results showed that constructive knowledge voice influences the recognition of environmental opportunities and, additionally, it helps the competitive advantages among the employees. By forming the concept of knowledge staff voice, it can be concluded that paying attention to knowledge staff voice leads to presenting creative solutions to do affairs in critical situations. The presentation of these solutions by knowledge workers results in the acceptance of environmental changes, recognition and exploitation of new chances and ideas, and sharing experiences in Iranian knowledge-based companies.
Practical implications
Strengthening and expanding the voice of employees in knowledge-oriented companies can pave the way to growth and development towards a higher future that prevents the waste of tangible and intangible assets.
Originality/value
Companies' ability to engage in knowledge workers is a vital factor in human resource management and strategic management. However, the employee voice has not been involved integrally in the context of corporate.
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Akbar Alidadi Shamsabadi, Mehdi Jahangiri, Tayebeh Rezaei, Rouhollah Yadollahi Farsani, Ali Seryani and Siavash Hakim
In this study, a solar water heating system along with a seasonal thermal energy storage and a heat pump is designed for a villa with an area of 192 m2 in Tehran, the capital of…
Abstract
Purpose
In this study, a solar water heating system along with a seasonal thermal energy storage and a heat pump is designed for a villa with an area of 192 m2 in Tehran, the capital of Iran.
Design/methodology/approach
According to the material and the area of the residential space, the required heating of the building was calculated manually and then the thermodynamic analysis of the system and simulation was done in MATLAB software. Finally, regarding the waste of system, an efficient solar heating system, providing all the required energy to heat the building, was obtained.
Findings
The surface area of the solar collector is equal to 46 m2, the capacity of the tank is about 2,850 m3, insulation thickness stands at 55 cm and the coefficient of performance in required heat pump is accounted to about 9.02. Also, according to the assessments, the maximum level of received energy by the collector in this system occurs at a maximum temperature of 68ºC.
Originality/value
To the best of the authors’ knowledge, in the present work, for the first time, using mathematical modeling and analyzing of the first and second laws of thermodynamics, as well as using of computational code in MATLAB software environment, the solar-assisted ground source heat pump system is simulated in a residential unit located in Tehran.
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A.S. Dogonchi, Muhammad Waqas, S.R. Afshar, Seyyed Masoud Seyyedi, M. Hashemi-Tilehnoee, Ali J. Chamkha and D.D. Ganji
This paper aims to study the impacts of viscous dissipation, thermal radiation and Joule heating on squeezing flow current and the heat transfer mechanism for a…
Abstract
Purpose
This paper aims to study the impacts of viscous dissipation, thermal radiation and Joule heating on squeezing flow current and the heat transfer mechanism for a magnetohydrodynamic (MHD) nanofluid flow in parallel disks during a suction/blowing process.
Design/methodology/approach
First, the governing momentum/energy equations are transformed into a non-dimensional form and then the obtained equations are solved by modified Adomian decomposition method (ADM), known as Duan–Rach approach (DRA).
Findings
The effect of the radiation parameter, suction/blowing parameter, magnetic parameter, squeezing number and nanoparticles concentration on the heat transfer and flow field are investigated in the results. The results show that the fluid velocity increases with increasing suction parameter, while the temperature profile decreases with increasing suction parameter.
Originality/value
A complete analysis of the MHD fluid squeezed between two parallel disks by considering Joule heating, thermal radiation and adding different nanoparticles using the novel method called DRA is addressed.
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Masoud Bagherpasandi, Mahdi Salehi, Zohreh Hajiha and Rezvan Hejazi
This paper aims to determine the key factors and provide an effective model to enhance the performance of sustainable supply chain management (SSCM).
Abstract
Purpose
This paper aims to determine the key factors and provide an effective model to enhance the performance of sustainable supply chain management (SSCM).
Design/methodology/approach
Data were collected using a semi-structured interview technique, a snowball sampling method and qualitative study method. For this purpose, ten supply chain and food production managers and experts were interviewed semi-structured. The data were analyzed using open, central and selective coding methods with grounded theory approach. In the proposed model, 13 principal codes have been specified, including organizational productivity, sustainable supply chain (SSC), industry supply chain, macro policies, organizational performance, social factors, economic factors, organizational factors, political factors, technology, manufactured products, customer and supply chain failures.
Findings
The model and concepts obtained from the participants clearly show that several reasons and motivations are involved in increasing the performance of SSCM. Moreover, the designed model indicates that the motives and reasons for turning to this system are satisfactory when implemented.
Originality/value
The distinctive and knowledge-enhancing feature of this paper compared to previous studies is the focus on the selected background, intervening and causal factors with the influence of strategies designed to achieve a new and local model for the SSC model and assess its impact on organizational performance and productivity. The proposed components of this paper have not been investigated so far.
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Monireh Panbehkar-Jouybari, Mehdi Mollahosseini, Asieh Panjeshahin and Mahdieh Hosseinzadeh
Garlic supplementation may be inversely contributed to body weight and composition; however, previous results have been inconsistent. This study aims to evaluate the effect of…
Abstract
Purpose
Garlic supplementation may be inversely contributed to body weight and composition; however, previous results have been inconsistent. This study aims to evaluate the effect of garlic supplementation on body weight and composition using a systematic review and meta-analysis.
Design/methodology/approach
Online databases of PubMed, ISI Web of Science, Scopus and Google Scholar were searched up to January 2020. The random-effects model was used to calculate the effect sizes of the included studies. The risk of bias of included studies was assessed using the Cochrane collaboration’s tool. Besides, the NutriGrade scoring system was applied to judge the credibility of the evidence.
Findings
In total, 18 studies (with 1,250 participants) were included in the meta-analysis. The pooled analysis revealed that garlic supplementation has a significant increase in body weight [weighted mean difference (WMD) = 0.31 Kg, 95% CI: 0.09, 0.53 Kg, P = 0.005, n = 12 effect sizes]. Waist circumference (WC) does remarkably reduce [WMD = −1.28 cm, 95% CI: −2.08, −0.47 cm, P = 0.002, n = 4 effect size]. However, body mass index, body fat percent and fat-free mass do not dramatically change (P > 0.05). Notably, the pooled analyses on body weight and WC were sensitive to two included studies. NutriGrade’s score was rated low for this meta-analysis.
Originality/value
Although garlic supplementation could slightly increase weight and simultaneously might decrease WC, these associations were not strong enough to corroborate the findings. Also, other anthropometric indices do not significantly change. Further well-designed randomized clinical trial studies are needed to confirm the results.
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Neda Rasooli, Fariborz Jolai, Mohammad Mehdi Sepehri and Afsaneh Tehranian
The childbirth process is a complex and vital event that requires careful analysis and improvement. This experience can shape a woman's perspective on motherhood and even affect…
Abstract
Purpose
The childbirth process is a complex and vital event that requires careful analysis and improvement. This experience can shape a woman's perspective on motherhood and even affect her mental health. Healthcare providers must prioritize improving the birth experience for women. In this interdisciplinary research, a combination of business process modeling (BPM) and medicine have been used with the aim of realizing an improved delivery experience and increased maternal satisfaction.
Design/methodology/approach
The data collection of this study was done by observing 518 childbirth processes and interviewing the chief of labor, chief residents, and midwives in the obstetrics and gynecology department of a hospital in Tehran from October 2022 to February 2023.
Findings
The research has been done in four main stages. The first phase is to model the primary process and sub-processes of normal vaginal delivery (NVD). The second phase is validation using expert confirmation and process mining (PM). The third phase is the analysis of the causes of maternal dissatisfaction in labor. The fourth phase of the heuristics redesigning and improving the process, in which for the first time three new categories have been presented including hospital-based, patient-based, and medical technique-based results show BPM intervention effect can be far-reaching in improving patient care and optimizing operational efficiency.
Originality/value
This study is one of only a few to adopt a process-oriented perspective to show how BPM can be used in clinical processes and has specifically examined an essential clinical process, i.e. childbirth.
Highlights
Developing business process management (BMP) applications in a medical special process related to childbirth as interdisciplinary research.
A combination of qualitative and quantitative techniques contains engineering software and management approaches for a Case study, Implementation of BPM lifecycle in the women's hospital in Iran, Tehran, for a clinical process, which is called, normal vaginal delivery (NVD) process for fetal expulsion normally.
Modeling NVD clinical process and sub-process for the first time by BPMN2.0 notations in visual paradigm (VP) software and Validation of the made model with process mining (PM), by Disco process mining software. This was done through event log collection from HIS at the hospital.
Improving the childbirth process by redesigning heuristics and Introducing two new categories special for clinical process improvement for the first time.
Clinical process improvement heuristics obtained in this research are not consistent with the previous seven categories presented in previous studies such as Marlon Dumas' book. Therefore, we have introduced two new heuristics to redesign clinical processes compatible with medical centers, including hospital-based, patient-based, and medical technique-based.
Providing a framework for clinical process modeling and improvement containing steps and tools.
Developing business process management (BMP) applications in a medical special process related to childbirth as interdisciplinary research.
A combination of qualitative and quantitative techniques contains engineering software and management approaches for a Case study, Implementation of BPM lifecycle in the women's hospital in Iran, Tehran, for a clinical process, which is called, normal vaginal delivery (NVD) process for fetal expulsion normally.
Modeling NVD clinical process and sub-process for the first time by BPMN2.0 notations in visual paradigm (VP) software and Validation of the made model with process mining (PM), by Disco process mining software. This was done through event log collection from HIS at the hospital.
Improving the childbirth process by redesigning heuristics and Introducing two new categories special for clinical process improvement for the first time.
Clinical process improvement heuristics obtained in this research are not consistent with the previous seven categories presented in previous studies such as Marlon Dumas' book. Therefore, we have introduced two new heuristics to redesign clinical processes compatible with medical centers, including hospital-based, patient-based, and medical technique-based.
Providing a framework for clinical process modeling and improvement containing steps and tools.
Details
Keywords
Mehdi El Abed and Adrian Castro-Lopez
Digitalization is revolutionizing the retail sector as today's consumers prefer a seamlessly integrated, fluid and irritation-free shopping experience enhanced with artificial…
Abstract
Purpose
Digitalization is revolutionizing the retail sector as today's consumers prefer a seamlessly integrated, fluid and irritation-free shopping experience enhanced with artificial intelligence (AI)-powered technologies. Literature highlights gaps in the understanding of the shopping experience in an omnichannel context, involving aesthetic, cognitive and affective experience dimensions. This research highlights the direct effects and the mechanism triggered in the presence of such device.
Design/methodology/approach
A sample of 259 consumers was interviewed at the point of sale. Data have been collected after a shopping experience in two concept stores belonging to the same fashion brand: (1) not equipped with AI-powered technology and (2) equipped with these tools. The measurement scales were validated through ANCOVA analysis and causal relationship analysis with structural equation modeling.
Findings
The results show that the presence of an in-store AI-powered technologies in a connected store generates a higher aesthetic reaction when visiting the store, a higher absorption when shopping through the flow and a higher intent to purchase. The authors further investigate the underlying mechanism triggered by the presence of this technology, which enables the authors to outline their consequences regarding purchase intention.
Originality/value
The study, conducted within an actual connected store in France, explores the impact of AI technology in connected retail environments on consumer responses. It is an early research in this field, shedding light on a rarely explored area. The authors’ research addresses a significant gap, providing insights into AI-driven retail experiences.
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