When designing questionnaires for iPad an important design decision is whether to use popover listings or button listings for representing singlechoice selections. In this paper we examined effects of each listing method on performance and subjective preferences when performing a non-linear selection task. A quantitative experiment (N = 39) with the two within-factors (1) listing method (popove...

Tablet computers are becoming a common tool to support learning since primary school. Indeed, many didactic applications are already available on online stores. Most of these applications engage the child by immersing the educational purpose of the software within an entertaining environment, often in the form of a game with sophisticated graphic and interaction. Unfortunately, this makes most ...

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Whereas adults exchange conversational turns very rapidly, children often respond after long gaps. However, it has been proposed that the infrastructure necessary to take turns develops in infancy. Why are children slow to respond to turns? Adults’ turn-taking skills, it has been argued, rely on an ability to both predict when the current turn will end and prepare a response as soon as possible...

Ice-bound is a new story game combining an iPad and a printed book, using procedural story techniques and augmented reality to create a multilayered, professional-quality interactive narrative.

shigella species (spp.) are gram-negative bacteria that are responsible for shigellosis. although it can be controlled via antibiotics, increasing number of antibiotic resistant isolates of shigella have been reported. therefore, other strategies such as production of specific vaccine against this organism could be a suitable therapeutic approach. attenuated live vaccines produced by gene delet...