Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 35 for “"lack-of-fit"”.
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DESIGNS FOR TESTING LACK OF FIT FOR A CLASS OF SIGMOID CURVE MODELS
… essential to accurately estimate the parameters of the model. In contrast to a large literature and extensive results on optimal designs for linear models, research on the design for nonlinear, including sigmoid curve, models has not kept pace. Furthermore, most of the work in the optimal design …
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Power Transformation Towards Linear or Partially Linear Quantile Regression Models
In this thesis, we consider a family of parametric power transformations for the dependent variable such that a linear or partially linear quantile regression model holds after transformation. The two models being considered are the power-transformed linear quantile regression model and …
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Sequential robust response surface strategy
… Surface Methodology involves the exploration of some response variable which is a function of other controllable variables. Many criteria exist for selecting an experimental design for the controllable variables. A good choice of a design is one that may not be optimal in a single sense, but …
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Model-robust quantal regression
In the analysis of quantal dose-response data, the most commonly used parametric procedure is logistic regression, commonly referred to as "logit analysis." The adequacy of the fit by the logistic regression curve is tested using the chi-square lack-of-fit test. If the lack-of-fit test is not …
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Debating the theoretical basis for judicial review: A hermeneutical study
The purpose of this dissertation is to address the question of how we can constitutionally justify the judicial review jurisdiction of the English courts. Two competing theories are commonly posited as providing this justification: the ultra vires theory and the common law theory. This research …
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Optimal Experimental Design for Poisson Impaired Reproduction Studies
… with Poisson responses are among a growing class of toxicity studies in the biological and medical realm. In recent years, little effort has been focused on the development of efficient experimental designs for impaired reproduction studies. This research concentrates on two areas: 1) the use of …
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The relevance of fit in management styles between managers of sino-german international joint ventures : an empirical examination of the fit between partners' management styles in Sino-German IJVs
… China, the potential risks associated with a lack of fit in management styles among International Joint Venture (IJV) partner-firms have become increasingly obvious to academic researchers, human resource professionals and partner-firm managers themselves. The general consensus among …
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Response surface designs for the detection of model inadequacy
… approximates the true response function, so a lack of fit test is used as part of the analysis. We suppose that the true response function is η₁(x) = x₁’ β₁ + x₂’ β₂. The power of the usual lack of fit test is a monotone increasing function of the non-centrality parameter λ = σ⁻² β₂’ L β₂, …
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Factors which influence faculty attitudes and perceptions of distance education in analytical subject areas
… on current faculty attitudes and perceptions of distance education. A thorough review of literature indicates that faculty members are critical elements of distance education delivery and that certain factors (tenure, departmental incentives, gender, age) influence faculty participation. The …
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The role of appearance in selection for sex-typed jobs
Madeline Heilman’s (1983) Lack of Fit Model, which postulates why discrimination occurs in the selection of sex-typed jobs, has been applied to the interaction of applicant attractiveness. Yet recent research suggests that other appearance variables, namely sex-typed facial features, may be …
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Inferential Methods For Quantile Regression With Applications to Infant Birth Weight
<p>The underlying goal of the work involved in this dissertation is to increase the use of quantile regression in the health sciences. Quantile regression is a flexible analytic technique introduced by Koenker and Basset in 1978 that has traditionally been used in econometrics. Despite its many …
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The Influence of Afrocentric Phenotype On Promotion Decisions For African American Males
… positions than would be expected on the basis of population base rates (The Alliance for Board Diversity, 2005; Corporate Board Initiative, 2006; Fortune, 2006; McCoy, 2007; Thomas & Gabarro, 1999). One potential explanation for these equivocal results is that much of this research assumes that …
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THE BRAID OF TEACHING: Exploring the weave of elementary school contexts in an Appalachian school district
… in poverty. Fieldnotes collected during a year of teaching third grade in a small rural school, artifacts in the form of paper material collected in schools (e.g. memos, newsletters, handouts, etc.) as well as news articles, and interviews with twenty six participants, provided the data for this …
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Does the contaminated land regime impose stewardship obligations on owners of land?
This thesis attempts to examine one element of land regulation, the regulation of contaminated land, to determine whether stewardship can, and does, form the basis of this regulation and what this can tell us about the place of stewardship as a legal principle. The thesis then examines the nature …
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The relationship between job satisfaction and life satisfaction among Saudi Airline employees in the Jeddah area of the Kingdom of Saudi Arabia
<p>The purpose of this study was to determine the level of life satisfaction and job satisfaction and the relationship between life-job satisfaction. The subjects of this study were 359 manager and nonmanager employees in Saudi Airline organization. The sampling was selected by means of simple …
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Design criteria for purposefully ambiguous expression : proposal for a theater / performing arts school in Kenmore Square
Inclusion of zones which possess sufficient ambiguity to provide multiple use, character and meaning, generating an environment supporting freedom of interpretation and expression, is explored in this thesis. Conceptually, examples are borrowed from ecology, Futurist painting , and humor. A new …
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Asymptotic Results for Model Robust Regression
… nonparametric esimates to improve the quality of fits in a regression problem. Notably in 1987, Einsporn and Birch proposed the Model Robust Regression estimate (MRR1) in which estimates of the parametric function, ƒ, and the nonparametric function, 𝑔, were combined in a straightforward fashion …
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Psychological Perspectives on the Under-Representation of African Americans and Females in Entrepreneurship: The Relationship between Perceptions of Fit and Intentions to Leave
<p>Advisor: Professor Charles Scherbaum</p> <p>Entrepreneurship is widely recognized as a vehicle for economic growth (Ireland & Webb, 2007), and recent years have shown growing multi-disciplinary interest among entrepreneurship scholars. The primary focus of this study was to identify …
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A graphical comparison of designs for response optimization based on slope estimation
… surface problem is two-fold: to predict values of the response, and to optimize the response. Slope estimation criteria are well suited for the optimization problem. Response prediction capability has been assessed by plotting the average, maximum, and minimum prediction variances on the surface …
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HATLINK: a link between least squares regression and nonparametric curve estimation
… location is obtained as a weighted average of the observed responses. For least squares, the weights used in this average are a direct consequence of the form of the parametric model prescribed by the user. If the prescribed model is not exactly correct, then the resulting predictions and …
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