Paulo Noriega

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The susceptibilities of 27 Plasmodium falciparum strains to chloroquine and mefloquine were studied in the area of Puerto Ayacucho, Amazonas Federal Territory of Venezuela, to determine their levels of resistance in vivo and in vitro. 50% of these strains showed chloroquine resistance in vivo. No grade III chloroquine resistance was found. 25% of the(More)
Users of consumer products currently benefit from the latest technology. Examples of such products include household appliances, entertainment-oriented products, automobile features, and communication devices. These technologies have had a large impact on user lifestyles, some of which have replaced manual labor while others have totally transformed social(More)
OBJECTIVE The aim of this article is to discuss how user experience (UX) evaluation can benefit from the use of virtual reality (VR). BACKGROUND UX is usually evaluated in laboratory settings. However, considering that UX occurs as a consequence of the interaction between the product, the user, and the context of use, the assessment of UX can benefit from(More)
Understanding and predicting people's displacement movement is particularly important for professionals involved in planning complex buildings (e.g., hospitals, convention centers, subway stations and university campus). Some decisions taken by the visitors while choosing what route to follow can be influenced by some environmental cues which can act as a(More)
This study examined the relative influence of environmental variables (corridor width and brightness) and signage (directional and exit signs), when presented in competition, on participants' route-choices in two situational variables (everyday vs. emergency), during indoor wayfinding in virtual environments. A virtual reality-based methodology was used.(More)
Warnings are intended to reduce accidents caused by hazards. Behavioral compliance is the most important measure of warning effectiveness. However, in result of diverse circumstances (e.g., distraction, misuse, negligence), conflicting or ambiguous safety messages can be perceived. Since these are recurrent and can result in wrong behaviors encompassing(More)