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It is stated that the new version of the IP protocol, IPv6, is the answer to the majority of the problems that were raised during the enormous expansion of the Internet and its transformation to a global communication platform with commercial scope. At the same time it is also stated that IPv6 dominance will not be easy and there will be a period when the two versions of the protocol will co‐exist. In this paper we describe some of the main transition mechanisms that can be deployed in order to facilitate the transition process to the new version of the IP protocol. Furthermore, the presented mechanisms are discussed regarding their usability, usefulness and manageability. Describes the way some of these mechanisms were applied to the Greek Research & Technology Network (GRNET).

This study has two objectives:(1) to examine impacts of environmental activity, relational marketing, and corporate green image on firm’s competitive performance; and (2) to determine whether relational marketing and corporate green image mediate relationships between environmental activity and firm’s competitive performance. They were data from 375 small and medium enterprises (SMEs) of the food processing industry in Bangkok, Thailand. This study also investigates the relationships between environmental activity, green corporate image, relational marketing, and influences of these factors on firm’s competitive performance. Structural equation modeling (SEM) was used to analyze data. Results reveal significant and positive relationships between environmental activity, green corporate image, relational marketing, and firm’s competitive performance. Moreover, environmental activity, an antecedent variable, indirectly affects a firm’s competitive performance mediated by green corporate image and relational marketing. Therefore, green corporate image and relational marketing can act as mediators between environmental activity and firm’s competitive performance. Findings suggested that firms should focus on improving green corporate image and relational marketing with an appropriate environmental activity strategy to enhance the firm’s competitive performance. Moreover, this study’s result is related to the economics of the environment in terms of cost and benefit. It provides firm’s decision on environmental activity.

Electronic word of mouth (eWOM) is a digital marketing method that has been considered by some companies as an effective and efficient approach to enhance social learning and the environment for the customers. A social media user could benefit from gaining information from other users to aid their decision-making process. Instagram is an example of a social media platform that could be utilized for the application of eWOM. It could serve as a source of quality, credible and detailed information, and a channel to increase customer interactions and trust. This study aims to determine the effects of eWOM information generated through Instagram on patients’ intention to join the in vitro fertilization (IVF) programs. By adopting the information acceptance model (IACM) theory, several parameters were evaluated: information quality, credibility, usefulness, adoption, attitude toward information, and purchase intention. The structural equation modeling (SEM) was used to analyze as many as 200 respondents of Morula IVF Jakarta and were active Instagram users. The results showed that the adoption of information and attitude toward information had considerably influenced patients’ intentions to join the IVF programs. Such circumstances might have occurred as a result of the increase in information exchange about IVF, through the discussions and sharing of experiences by patients on Instagram. Furthermore, information usefulness was demonstrated to affect information adoption and was influenced by the credibility of information and attitudes toward information. Nonetheless, one variable which did not display any effects on the usefulness of information was the quality of information. In summary, the characteristics of eWOM information that were conveyed on Instagram could affect the intention of patients in joining the IVF program.

El Salvador’s youth have faced a climate of violence for decades. Schools have been identified as the most cost-effective ways to help students develop the life skills they need to prevent violence. This study examined the potential role of a physical education (PE) program taught by some of the first Salvadoran teachers to be trained to foster life skills through PE within schools.

Fourteen schools that had hired a PE teacher trained in life skills-based PE volunteered to participate in the study. Semi-structured interviews with the school director, PE teacher, and a focus group of students at each school were conducted.

Interviews were content analyzed and potential themes were initially placed into one of three life skills categories using a deductive analysis based upon the World Health Organization’s (WHO) (2002) three categories of life skills: (i) Coping and Self-Management; (ii) Communication and Interpersonal; (iii) Decision Making/Problem Solving. Then, using an inductive analysis, various themes within each life skills category were identified. The findings revealed that participants in the study identified the role that PE provides in developing life skills in each of the three categories and many identified the importance of these life skills to prevent violence both in and out of schools.

Findings from this study highlight the important role that schools play in the development of life skills and the prevention of youth violence. PE in particular offers a promising approach due to its applied nature and opportunity for students to learn through doing and the application of life skills in a safe manner. The findings also support the importance of trained PE teachers to deliver such programs.

Central America has and continues to be a region with high levels of youth violence. Given that PE is a mandatory school subject in Salvadoran schools (and in other Central American countries), shifting the focus toward a life skills-based approach to PE offers educators an opportunity to address the country’s number one public health concern which is youth violence. To our knowledge, this is the first study of its kind in El Salvador to explore the role of PE as it relates to youth violence and can help in future curricular revisions in schools and the development of degree programs at local universities.

The question of whether leadership is teachable has received considerable attention in the academic and practitioner arenas. Organized athletic team participation offers students a different experiential venue that many argue develops leadership. The purpose of this study is to investigate the relationship between organized sports team participation and leadership skills. We employ a valid means of measuring several leadership dimensions using a validated assessment center method. Nine distinct leadership skill levels were measured for 141 MBA program students. Using ANOVA and correlation analysis we found no systematic association between the number of seasons of sports team participation and the level of any particular leadership skill. The findings caution recruiters and other persons making personnel decisions against using this past behavior as an indicator of these or any other leadership skills. By showing a preference for athletes, recruiters may bypass persons who would be a good fit for a position.

Variable-fidelity optimization (VFO) frameworks generally aim at taking full advantage of high-fidelity (HF) and low-fidelity (LF) models to solve computationally expensive problems. The purpose of this paper is to develop a novel modified trust-region assisted variable-fidelity optimization (MTR-VFO) framework that can improve the optimization efficiency for computationally expensive engineering design problems.

Though the LF model is rough and inaccurate, it probably contains the gradient information and trend of the computationally expensive HF model. In the proposed framework, the extreme locations of the LF kriging model are firstly utilized to enhance the HF kriging model, and then a modified trust-region (MTR) method is presented for efficient local search. The proposed MTR-VFO framework is verified through comparison with three typical methods on some benchmark problems, and it is also applied to optimize the configuration of underwater tandem wings.

The results indicate that the proposed MTR-VFO framework is more effective than some existing typical methods and it has the potential of solving computationally expensive problems more efficiently.

The extreme locations of LF models are utilized to improve the accuracy of HF models and a MTR method is first proposed for local search without utilizing HF gradient. Besides, a novel MTR-VFO framework is presented which is verified to be more effective than some existing typical methods and shows great potential of solving computationally expensive problems effectively.

Purpose: This paper contains an evaluation of the results from a survey on ISO 9000 certified hotels in Egypt. This study is focused on factors influencing the choice of the registration agency; problems with registration agencies; satisfaction level with the registration agencies and the use of training and consultancy in achieving the certification. Design/methodology/approach: Postal survey was used in this study to gather the required data from a sample size of 40 certified large hotels in Egypt. The sample was drawn from a list provided by ISO 9000 certification office in Egypt. A response rate of 60 per cent was achieved. Findings: The certified hotels in Egypt performed well in their registration process and benefited from ISO implementation. They were using their registration agencies for private consultancy and it has been recommended that they should avoid using their registration agencies for private consultancy as this creates conflict of interest and constitutes a violation of ISO 62. Originality/value: Adds to the body of knowledge concerning the ISO 9000 registration agencies in the service sector with particular focus on Egypt.

Recent reports by the Institute of Medicine (IOM) signal a substantial yet unrealized deficit in patient safety innovation and improvement. With the aim of reducing this dilemma, we provide an introductory account of clinical error resulting from poorly designed systems by reviewing the relevant health care, management, psychology, and organizational accident sciences literature. First, we discuss the concept of health care error and describe two approaches to analyze error proliferation and causation. Next, by applying transdisciplinary evidence and knowledge to health care, we detail the attributes fundamental to constructing safer health care systems as embedded components within the complex adaptive environment. Then, the Health Care Error Proliferation Model explains the sequence of events typically leading to adverse outcomes, emphasizing the role that organizational and external cultures contribute to error identification, prevention, mitigation, and defense construction. Subsequently, we discuss the critical contribution health care leaders can make to address error as they strive to position their institution as a high reliability organization (HRO). Finally, we conclude that the future of patient safety depends on health care leaders adopting a system philosophy of error management, investigation, mitigation, and prevention. This change is accomplished when leaders apply the basic organizational accident and health care safety principles within their respective organizations.

Increasing competitive pressure from global markets and technological developments has resulted in the continual demand for business improvement philosophies and methodologies in operations management to address this challenge. The Six Sigma approach to business improvement has emerged in both the practitioner and academic literature as having a significant role in this area. There are many documented case studies of organizational applications of Six Sigma, where large‐scale improvements in defect and process measures have been attributed to this approach, mainly in the mass‐manufacturing sector. Moreover, there are claims, less well documented, that Six Sigma can be used as a change management approach at a strategic level and thus it can be applied to other sectors such as service industries. It is contended that there is a paucity of critical reviews of the Six Sigma literature, beyond that of descriptive accounts. Therefore, the aim of this paper is to critically review the literature of Six Sigma in relation to its effect on organizations and those that work in them. A broad theoretical perspective is used to guide the review process. The paper structure is based on the dichotomies within the Six Sigma literature, namely, what is Six Sigma — strategic change or operational methods; is Six Sigma a TQM appendage, or something new; will workers in a Six Sigma environment have more empowerment or be more controlled and is Six Sigma applicable to the service sector or only for that of the manufacturing sector?