Direct action and indirect effects of gravity
نویسندگان
چکیده
منابع مشابه
Direct and Indirect Effects
The direct effect of one event on another can be defined and measured by holding constant all intermediate variables between the two. Indirect effects present conceptual and prac tical difficulties (in nonlinear models), be cause they cannot be isolated by holding cer tain variables constant. This paper presents a new way of defining the effect transmit ted through a restricted set of paths...
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Objective: The major focus of present literature on marital satisfaction is about the processes that weaken it in couples. In contrast, positive factors that may contribute to the prosperity of couples’ relationships are less widely considered. Gratitude is one of the factors that its role and in particular, the pathways that associate it to marital satisfaction are not studied. The current stu...
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Direct and indirect effects of influenza vaccination
BACKGROUND After vaccination, vaccinees acquire some protection against infection and/or disease. Vaccination, therefore, reduces the number of infections in the population. Due to this herd protection, not everybody needs to be vaccinated to prevent infections from spreading. METHODS We quantify direct and indirect effects of influenza vaccination examining the standard Susceptible-Infected-...
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Direct and Indirect Effects of Public Policies by Giacomo De Giorgi Chair: Richard Blundell This dissertation analyzes two im portant recent public policies and sheds light on the direct and indirect impacts of both; and more in general on the need of sound evaluations to carefully consider possible spillovers as a fundamental component of programs. In the first two essays I focus on the “New D...
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ژورنال
عنوان ژورنال: Biological Sciences in Space
سال: 2001
ISSN: 0914-9201,1349-967X
DOI: 10.2187/bss.15.139