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The vision for fib MC2020 is to go beyond the point reached by fib MC2010, recent ISO codes, such as ISO 16311, and the current Eurocode activities to extend the application of Eurocodes to existing structures. The contents of fib MC2020 suit these forward‐looking objectives, dealing both with the design of new structures and all the activities associated with the life‐cycle management of existing concrete structures including matters, such as in‐service assessment and interventions upon them, including situations where new structural members are incorporated as parts of existing structures. With the fib MC2020 adaptations taking sustainability as a fundamental requirement, defining implications for subsidiary performance requirements critical to structural design and assessment procedures, it is logical that Model Code 2020 explicitly introduces and consequently seeks to make use of performance‐based concepts. A focus on performance provides a potential way to better align the interests of owners, users, technical consultants (such as structural engineers, material engineers, etc.), contractors, as well as material suppliers and manufacturers. It is envisaged that implementing the concept of the performance‐based approach in design and assessment will encourage rational design and technological progress which will facilitate the creation of superior structures for future generations, by removing constraints to the use of novel types of concrete and reinforcing materials and offering possibilities for optimization of solutions that better fit the needs of stakeholders. This paper addresses the principles of the performance‐based approach to design and assessment and discusses the manner in which it has been introduced in fib MC2020. The benefits and burdens associated with the performance‐based approach and the traditional prescriptive approach to engineering specification are discussed, both from a technical and process/commercial/contractual point of view, to describe the overall benefits of the performance‐based approach. Finally, the future outlook for a coherent integration of the performance‐based approach in design and assessment is addressed, paving the way for further work on standardization for sustainable concrete structures. [ABSTRACT FROM AUTHOR]

The Wechsler Intelligence Scale for Children -- Fifth Edition is the most recent update to this scale, launched originally in 2014 in the United Stated. WISC-V includes several improvements from previous versions, such as an updated factorial structure that includes more indexes, new process scores and new procedures for norming. These improvements are particularly relevant in the Chilean context, since the previous version available in the country was the WISC-IIIv.ch, whose factorial structure dates from 1991, although it was standardized for Chilean population in 2007. This article presents the standardization process for the WISC-V, which includes the translation, adaptation and norming procedures for the Chilean population. It includes evidence for reliability and validity, and also results for various special groups samples, such as intellectual disability (24), attentional deficit disorder with hyperactivity (27), autism spectrum disorder (26), specific language disorder (56) and rural population (47). The Chilean data shows excellent reliability results and an excellent adjustment to the factorial model used in the North American version. This research provides evidence for convergent validity between WISC-V and other versions of these scales, such as the WAIS-IV and the WISC-IIIv.ch. Finally, we perform a comparison between private, voucher and public schools using this scale and a comparison between male and female performance in this scale. The main finding of this research is that the Chilean standardization of the WISC-V has excellent psychometric properties that allow recommending the use of this instrument in the country. [ABSTRACT FROM AUTHOR]