Cybersickness embraces a range of clinical symptoms reported in response to simulated motion in a computer generated, virtual reality environment. The Simulator Sickness Questionnaire (SSQ) has been the standard tool for measuring observed responses; however, many of the observed SSQ variables are highly correlated, so it is not clear which ones are appropriate to use as a basis for building an...

the aim of this research was to study those economic barriers influencing foreign investment attraction in iran football industry. the statistical population consisted of all managers and board of directors of the clubs of the premier league, board of directors of football federation and former directors of football (n=240). 148 subjects were selected as the sample by morgan table and completed...

für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...

Tissue factor (TF) is an integral membrane protein that is essential to life. It is a component of the factor VIIa-TF complex enzyme and plays a primary role in both normal hemostasis and thrombosis. With a vascular injury, TF becomes exposed to blood and binds plasma factor VIIa, and the resulting complex initiates a series of enzymatic reactions leading to clot formation and vascular sealing....

In order to define the factor structure of nonverbal cognitive processes, 156 twenty to sixty year-old participants were selected in Medellin (Colombia). A neuropsychological test battery for assessing different nonverbal cognitive domains (attention, memory, visuoperceptual and visuoconstructive abilities. executive functions, praxis abilities, and written calculation abilities) was administer...

aim and background: in this study, the psychometric properties and hierarchal structural validity of short form health survey scale (sf-36) among students using structural equating modeling was investigated. methods and materials: a sample with 310 students (158 male and 152 female) from tehran university were chosen by multistage sampling method. for verifying discernment validity, two clinica...

Response modification factor (R factor) is one of the seismic design parameters to be considered in evaluating the performance of buildings during strong motions. This paper has tried to evaluate the response modification factor of concrete coupled shear wall structures with various length/depth ratios of spandrel beams. The effect of diagonal reinforcement of spandrel beam was also evaluated o...

background: nowadays, infertility problems have become a social concern, and are associated with multiple psychological and social problems. also, it affects the interpersonal communication between the individual, familial, and social characteristics. since women are exposed to stressors of physical, mental, social factors, and treatment of infertility, providing a psychometric screening tool i...