Valuation of time in front of specifics tasks developed on paper and through personal computers in high school's Chilean students

The present article gives account of the main results of developed experimental investigations in Chile that it has by objective to compare the estimation of the time which adolescents do when they face the development of similar tasks with without computers. In addition possible cultural differences with groups of rural and urban subjects are analyzed. The experience took place between the months of April and May of the 2005 and the groups of participants come from schools of the province of Valdivia in the south of Chile.