background : the ifa test is one of the most usual methods for detecting anti- toxoplasma antibod­ies, although it has not any unique standardization. it seems that the microscopic judg­ment of results is an important confounder in ifa test. therefore, we conducted the present study to clarify the role of microscopic observer, and other confounders on the test. methods: eighty sera were collect...

This paper focuses on a number of American stories which helped educate people and bring about legal or social change. There are many stories which caused major or minor legal and political change, particularly, in the United States. Some of them are written by Herman Melville, Harriet Beecher Stowe, Upton Sinclair and Sidney Kingsley. After the publication of White Jacket by Melville the novel...

Employing disturbance observers is an effective way of enhancing the stability and performance of the control systems subject to disturbances. Disturbance observers have been extensively used for control of mechatronic systems since their introduction in the 1980s. This thesis studies the design of nonlinear disturbance observers for robotic manipulators and their applications in the control of...

Are international relations scholars objective observers of political events, or do our political preferences influence the way in which we see the world? This article explores that question using data from a survey of international relations scholars. It develops and tests hypotheses about how we might expect adherents of particular paradigms to identify themselves politically on a left-right ...

shia’s political jurisprudence has experienced some ups and downs along historical developments. in this context، safavi age is an era that shia’s political jurisprudence has taken new approach and the shia’s public jurisprudence has become prosperious. because of special politic conditions of previous eras,،many subjects related to shia’s public jurisprudence hadn’t found opportunity for being...

Research on work-family conflict has focused on individuals, and little is known as to how spouses perceive each other’s work-family conflict and how inaccuracies of such perceptions relate to relationship quality. Using a national sample of dual-earner married and cohabiting couples (N = 545), we found that over half of spouses overestimate or underestimate each other’s work-family conflict. H...

The Internet gives individuals more choice in political news and information sources and more tools to filter out disagreeable information. Citing the preference described by selective exposure theory — people prefer information that supports their beliefs and avoid counter-attitudinal information — observers warn that people may use these tools to access only agreeable information and thus liv...