In this paper, we present a technique for analytical prototyping of personal technology. The technique allows conceptual design to be evaluated in terms of two predictive measures of user performance (time and error). The technique is based on the theory of rewritable routines, which is presented in this paper as a novel approach to considering mental models.

recently, natural resources economists have turned to valuation and appraisal of the contribution of natural resources to human’s welfare and they have made striking progress in valuing the environmental and ecological services of eco-systems. the present study investigated people’s willingness to pay (wtp) for participation in preservation and reclamation of abuzeidabad desert area through con...

regarding the importance of natural resources in preserving natural ecosystem and human being survival, protecting these resources and preventing their demolition will be necessary. taleghan lake, alborz, is studied o determine the protective value and measuring the willingness of people. using the ahp approach, this study is different by using and non-using value of the lake. results from lagi...

realizing that there is no specific market for organic products in iran, in this study it is tried to estimate the costs involved in organic productions by means of contingent valuation method and through willingness-to-pay estimation approach. towards this end 219 and 209 double-bounded dichotomous questionnaires were developed (for cucumber in tehran province and for vegetables in gilan provi...

the lake urmia and its satellite wetlands have been selected as a demonstration site for the united nations development program / global environment facility / department of environment conservation of iranian wetlands project. this project aims to demonstrate reduction of the major threats of this wetland protected area coordinated through an integrated management plan. a choice experiment was...

abstract this paper carried out to study determinants of willingness to pay and ecotourism value of tandoreh natioral park using cross section data of 144 households of dargaz and ghochan and contingent value method and logit model in 2008. results showed that age and entrance offer have negative effect and income have positive effect on willingness to pay for ecotourism in tandoreh natioral pa...