Abstract Like Austin’s “performatives,” some models are used not merely to represent but also change their targets in various ways. This article argues that analysis can inform model evaluation: If evaluated with respect adequacy-for-purpose, and if performativity cases be regarded as a purpose (a proposition is defended, using mechanism design an example), it follows these “felicity,” whether ...

regarding the ecommerce growth, websites play an essential role in business success. therefore, many authors have offered website evaluation models since 1995. although, the multiplicity and diversity of evaluation models make it difficult to integrate them into a single comprehensive model. in this paper a quantitative method has been used to integrate previous models into a comprehensive mode...

the present study seeks to investigate users’ perception and evaluation of the function of designed environments and highlights a deeper understanding of man-environment relationship. the study tries to answer the question: “is there any relationship between the physical features of environment and users’ perception and evaluation of the environment and their spatial behaviors?” such investigat...

organizations need resource to operate and promote the situation, which is a costly process. in other hand, governmental organizations are responsible for using these resources. performance evaluation makes it possible for managers to control and supervise resource's usage and trough this process realize weakness points and improve them. to this purpose several models have been generated t...