Highlights  Analysis of classroom design attributes that generate a positive affective response  Use of Semantic Differential to identify students' affective impressions  918 university students assessed in situ 30 university classrooms.  Classroom design should be directed at improving sensations of functionality and cosy.

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The effect that the physical characteristics of urban design have on the pedestrian’s perceptions of safety is a fundamental aspect of city planning. This is particularly so with street crossings, where the pedestrian has to make a decision. This paper analyses how pedestrians are affected by number of traffic lanes, lighting colour temperature, and nearby vegetation as they cross roads. Perceptions of safety were quantified by means of the psychological and neurophysiological responses of 60 participants to 16 virtual reality scenarios (4 day and 12 night), based on existing urban design variables. The results showed differences between night-time and daytime scenarios, which suggests that there is a need to analyse both situations. As to the design guidelines, it was observed that safety is improved by reducing the number of traffic lanes and nearby vegetation, and by using a lighting colour temperature of 4500 K. However, the analysis of the variables showed that combined effects produce different results to those obtained from the analysis of individual elements. This result is essential information for urban managers in their assessments of whether particular interventions will improve crossing points.

The ODISEA platform provides Virtualized Computational Environments (VCEs) on cloud providers as the computational infrastructure to support educational activities. A VCE consists of a collection of one or more Virtual Machines (VMs) to which the students connect from their own computers. In this paper a case study is presented in the architecture domain where a PBL activity is carried out in working groups. The study involves 293 students organized in 28 pilot groups that use customized VCEs created and deployed through the ODISEA platform on a Cloud, and 30 traditional groups that use a LMS platform. The VCE provides the software, hardware and specific configuration to ease the interrelation and cooperative work between the working groups, enhancing the process tracking and feedback gathering as well as providing a better organization of the teaching material. The results demonstrate that the VCE allows to improve the cooperative work, improving the final marks in the PBL developed by the pilot working groups. Also, an economical study is presented, highlighting the economic benefits of the Cloud with respect to traditional physical laboratories of PCs.

Highlights  Analysis of the luminous environment appropriate to different classroom tasks.  854 university students assess the lighting in situ in 29 university classrooms.  Identification of students' affective response to the luminous environment.  Luminous environment has to generate different sensations to adapt to new tasks.