936 resultados para Aspect hypothesis


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Many multifactorial biologic effects, particularly in the context of complex human diseases, are still poorly understood. At the same time, the systematic acquisition of multivariate data has become increasingly easy. The use of such data to analyze and model complex phenotypes, however, remains a challenge. Here, a new analytic approach is described, termed coreferentiality, together with an appropriate statistical test. Coreferentiality is the indirect relation of two variables of functional interest in respect to whether they parallel each other in their respective relatedness to multivariate reference data, which can be informative for a complex effect or phenotype. It is shown that the power of coreferentiality testing is comparable to multiple regression analysis, sufficient even when reference data are informative only to a relatively small extent of 2.5%, and clearly exceeding the power of simple bivariate correlation testing. Thus, coreferentiality testing uses the increased power of multivariate analysis, however, in order to address a more straightforward interpretable bivariate relatedness. Systematic application of this approach could substantially improve the analysis and modeling of complex phenotypes, particularly in the context of human study where addressing functional hypotheses by direct experimentation is often difficult.

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We reevaluate the female underperformance hypothesis by challenging the assumption that female-owned ventures are more likely to fail. Instead of equating exit with failure, we draw on exit literature and feminist theories to argue that female entrepreneurs are actually more likely than males to exit voluntarily. We argue for further gender differences by using an even more fine-grained conceptualization of entrepreneurial exit (failure, exit for personal reasons, and exit for other professional/financial opportunities). Post-hoc analyses also point to withingender heterogeneity depending on family status. A sample probe of 219 Spanish entrepreneurs who had exited their business supports our overall reasoning.

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National Highway Traffic Safety Administration, Washington, D.C.

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"Columbia University, Contributions to Philosophy and Psychology, vol. XXVII, no. 2."

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Mode of access: Internet.

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Mode of access: Internet.

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"Travail présenté au 4me Congrès scientifique (1er Pan-Américain) tenu à Santiago du Chili."

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"Project No. 9-38-01-000 Task 902. Contract No. DA 44-177-TC-439. U.S. Army Transportation Research and Development Command, Transportation Corps, Fort Eustis, Virginia. NSA TRECOM Control No. CRD 1759."

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Discurso previo apologetico sobre el constitutivo de la calentura, a favor de ... Martin Martinez y contra ... Francisco Saenz de los Rios ... escrito por ... Francisco Valles de p. 2¶2 a 4¶3.

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Mode of access: Internet.