Introduction: In recent years, the rate of delivery by Cesarean Section (CS) has increased in many countries. Many factors are responsible for this trend which are beyond the clinical practice of gynecologists. Objective: The purpose of this study is to investigate factors related to the preference for delivery type in pregnant women referred to a hospital in Tehran City, Iran. Materials and ...

Nowadays, traffic management policy in metropolitans is focused on increasing the share of public transit. The limitation of supply and slowing growth of road infrastructures have provided congestion for users who choose personal cars. Therefore, applying demand management policies which decrease the utility of personal cars and increase the tendency to public transit can be very important. Con...

Transportation models as  tools for transportation planning are critical to such related decisions. Considering the high cost of calibrating and validating such models, effective alternatives are highly sought for; one such alternative being the use of models calibrated for other cities. This calls for transferability analysis which has not been the subject of many researches. Due to criticalit...

Goods and services vary along a number of dimensions independently. Customers can choose to acquire information to assess some characteristics and not others. Their choices a¤ect …rms’ incentives to invest in quality and so lead to indirect externalities in consumers’choices. We illustrate these ideas by characterizing a model in which a monopolist sets price and invests in the quality of a pro...

In a choice between two options, decision makers can often be roughly divided into three groups: those who strongly prefer the first option, those who strongly prefer the second option, and those whose choices are most sensitive to the specific conditions (Switchers). In any reference state, such as the experimental control, Switchers choices are unlikely to be exactly equally divided between t...

This paper explores the use of pedestrian conveyor systems, otherwise known as moving walkways, in long public corridors such as those found in major commercial airports. The investigation includes a brief comparison of moving walkways with other primary modes of airport terminal passenger transportation and an empirical study of the use of moving walkways through analysis of passenger conveyor...

background: the method of evaluation in students’ learning affects their studying mode. the aim of this study was to compare nursing students’ scores in essay and multiple-choice questions in mother and child health examination in shahrekord university of medical sciences. methods: in this study, the  final scores of 121 of nursing students in a multiple-choice questionnaire consisting of 40 qu...

Web-based system-to-human integration and direct system-to-system integration are alternative information technologies for supply chain management. Although the system-to-system mode is known to be more effective than the Web-based mode for data sharing, the web-based mode is dominant in the supply chain of Chinese firms. Is it a suboptimal or the most appropriate choice? We develop an analytic...