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The purpose of this paper is to further clarify the link between the theoretical and practical/real-life implications of a seminal topic in the strategic operations management field: Wickham Skinner’s strategic trade-offs model. This will help researchers, practitioners and students to realize the “everyday life” consequences of this highly influential model.

A theoretical analysis is made of previous research dealing with the strategic trade-offs model. Building on these investigations, a Popperian approach is used to logically develop the model, and the authors demonstrate how it can be empirically tested.

Previous investigations on Skinner’s model mainly focus on trade-offs between competitive capabilities (e.g. cost, quality, delivery) at the firm level. This paper demonstrates that the implications of this model necessarily should include consideration of the strategic trade-offs between the competitive characteristics of products/services that practitioners, students and the general public can observe.

While previous investigations have provided necessary clarifications, no paper has addressed the issue of the existence of strategic trade-offs between the competitive characteristics of products/services. This paper offers guidelines for researchers and practitioners on the way that the strategic trade-offs model can be conceptualized, understood and tested.

We evaluated the best-available evidence for the effects of receiving business-as-usual or naturally delivered special education services in K-12 US schools. Our best-evidence synthesis of 44 empirical studies evaluated which outcome domains and disability types have been investigated and whether findings varied by the rigor of the study design and methods. Regression-based studies comparing students with educational disabilities (SWED) to students without disabilities (SWOD) yielded mostly negative associations of receiving special education with academic achievement, behavior, and long-term or other outcomes. In contrast, regression-based studies that contrasted SWED receiving special education to other SWED not receiving special education produced a pattern of estimates similar to quasi-experimental designs that contrast SWED to SWOD. The most rigorous designs utilized quasi-experimental methods that compared SWED receiving special education services with SWED not receiving special education services, and generally reported more positive than negative evidence of receiving special education services across most outcome domains. Future research that utilizes rigorous quasi-experimental methodology and appropriate comparison groups to investigate the effectiveness of special education is needed, particularly for nonachievement outcome domains.

This paper aims to identify the success factors of communities of practice (CoPs) that will improve knowledge creation (KC) in educational organizations. Today, educational organizations are faced with constant changes in their environment. These changes have forced organizations to view their human capital as knowledge capital to survive and thrive. CoPs can be one of the most important factors to achieve these goals, and it should be considered by educational organizations.

The present paper tries to identify the success factors of CoPs and examine the impact of the success factors of CoPs in KC. The research method is descriptive. The population of the research consists of students of Payame Noor University as a case study. A questionnaire based on experts’ opinion was designed and more than 35 articles were reviewed. Factor analysis was used to categorize and examine the correlation between success factors of CoPs and KC and, finally, the regression equation based on correlation’ result was formed.

The results showed six success factors: “organization”, “optimizing interactions”, “infrastructure”, “supporting tools”, “strategy and goals” and “organizational support”. These factors reflect the effective factors in educational organizations attempting to progress in KC should focus. Among these success factors, “strategy and goals” and “organization” have the highest effect on CoPs in this case.

The paper discusses how the success factors of CoPs improve KC in universities as educational organization and how an organization will benefit from these factors. It can help the development of guidelines for educational organizations to increase their community knowledge information. They can also apply the findings of this research to promote the scientific level of their related organizations through reinforcement of CoP practices. In this paper, the authors faced some problems to collect expert’s opinion and also gather the questionnaires.

This paper may have great value to researchers, as well as practitioners involved in knowledge-creation programs in organizations about CoPs and the knowledge-creation field. This research can establish guidelines for Payame Noor University Tehran-North as a case study using the right policies and make changes to the traditional structures of the university, improve and develop the knowledge-creation process and the formation of CoPs. This study can guide managers and, especially, the university managers to provide suitable base to shape COPs, help them emerge and enhance them effectively.