A student with a Computing Science degree is expected to have reached a reasonable level of expertise in SQL. SQL is a non-trivial skill to master and is taught with different degrees of success at different institutions. When teaching any skill we have to take both previous learning and experience into consideration as well as the best possible way of teaching the skill. When learning a new sk...

This article explores the effects of undergraduate students’ mental models of the Web on their online searching behavior. Forty-four undergraduate students, mainly freshmen and sophomores, participated in the study. Subjects’ mental models of the Web were treated as equally good styles and operationalized as drawings of their perceptions about the Web. Four types of mental models of the Web wer...

One of the approaches to creating mental models that allow managers quickly make decisions in complex multi-valued situations is considered. A stratified description an economic object used as a means consistently deepening detailing management considerations, well morphological system analysis clarify composition components, elements and subsystems object, identify analyze interrelations integ...

cardiovascular disease is determined as the first cause of mortality in iran. nutrition and dietary intake has been known as the first and most important factor in the incidence of these diseases. this means that from 800 cases of daily mortality in the country, 300 cases are directly related to poor nutrition. fish is considered as a healthy food and its consumption is recommended twice a week...

The techniques of cross-cultural analysis of Websites based on culture models are used to examine user-interface components (the metaphors, mental models, navigation, interaction, and appearance) of social networking sites in three countries. The authors note and evaluate patterns of similarity and difference in the Website designs that seem to link social networking sites by culture dimensions.