نتایج جستجو برای: multilevel analysis

تعداد نتایج: 2841550  

2013
Adriana J. Umana-Taylor Mark A. Fine

Ethnic differences in commitment to wed were examined between 46 Hispanics (27 women, 19 men) and 160 Anglos (84 women, 76 men). Although limited by sample sizes, findings indicated that Hispanics and Anglos did not differ, on average, on measures of attitudes toward marriage, perceived family influence, commitment to wed, belongingness, and trust. Hierarchical regression analyses revealed that...

2011
Li-Ju Chen

The pecking order theory of capital structure is one of the most influential theories of corporate finance. The purpose of this study is to explore the most important factors on a firm’s capital structure by pecking-order theory. Hierarchical regression is used as the analysis model. This study examines the determinants of debt decisions for 305 Taiwan electronic companies that are quoted on th...

2014
Raynald Pineault Roxane Borgès Da Silva Sylvie Provost Marie-Dominique Beaulieu Antoine Boivin Audrey Couture Alexandre Prud'homme

Introduction. Solo practices have generally been viewed as forming a homogeneous group. However, they may differ on many characteristics. The objective of this paper is to identify different forms of solo practice and to determine the extent to which they are associated with patient experience of care. Methods. Two surveys were carried out in two regions of Quebec in 2010: a telephone survey of...

2013
Alexandre J. S. Morin Herbert W. Marsh Benjamin Nagengast L. Francesca Scalas James L. Lewis Alexandre J.S. Morin

Many classroom climate studies suffer from two critical problems. They: (a) treat climate as a studentlevel (L1) variable in single-level analyses instead of a classroom-level (L2) construct in multilevel analyses; and (b) rely on manifest-variable models rather than latent-variable models that control measurement error at L1 and L2, and sampling error in the aggregation of L1 ratings to form L...

B. Sakhaei, M. Durali,

By new advancements in vehicle manufacturing vehicle quality evaluation and assurance has become a more critical issue. In present work, the vibration transfer path analysis and vibration path ranking of a car interior has been performed. The method is similar to classical multilevel TPA methods but has distinct differences. The method is named VIVS which stands for Vehicle Interior Vibratio...

2002
Ann A. O’Connell

In this paper, two examples of multilevel modeling as part of the analysis of data from HIV evaluation studies are presented. Strategies for teaching multilevel models for each type of data are discussed. The first, a panel study, uses multiple linear regression models to show how a hierarchical linear model can be developed. The second, a repeated cross-sectional design, uses simple analysis o...

2007
Philippa Clarke Patricia O’Campo

The current use of multilevel models to examine the effects of surrounding contexts on health outcomes attest to their value as a statistical method for analyzing grouped data. But the use of multilevel modeling with data from population-based surveys is often limited by the small number of cases per level-2 unit, prompting a recent trend in the neighborhood literature to apply cluster analysis...

2014

Figure 4 and the bootstrap code are incorrect. In the R-code, included as a supplement to Bringmann et al. (2013), time dependency was not taken into account properly in the bootstrapping procedure. In the original analysis, the authors used a parametric bootstrap method. However, taking the time dependency properly into account is not easy and therefore they have opted for nonparametric bootst...

Journal: :Journal of epidemiology and community health 2008
A V Diez Roux

This commentary briefly summarises past work that has used multilevel analysis to investigate the multilevel determinants of health and outlines possible new directions in this area. Topics discussed include the need to (1) examine contexts other than neighbourhoods; (2) improve measurement of group-level constructs; (3) apply techniques more appropriate for causal inference from observational ...

2014
Abhishek Soni Manish Thukral

This Paper aims to extend the knowledge about the performance of different cascaded multilevel inverter through harmonic analysis. Large electric drives and utility require advanced power electronics converter to meet high power demands. As a result, multilevel power converter structure has been introduced as an alternative in high power and medium voltage situations. A multilevel converter not...

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