Testing the Validity ofDisjuctive Arguments Using Physical Models

Testing the validity of cost-effectiveness models.

A growing body of recent work has identified several problems with economic evaluations undertaken alongside controlled trials that can have potentially serious impacts on the ability of decision makers to draw valid conclusions. At the same time, the use of cost-effectiveness models has been drawn into question, due to the alleged arbitrary nature of their construction. This has led researcher...

Reliability and validity testing of the physical resilience measure.

OBJECTIVE The purpose of this study was to test reliability and validity of the Physical Resilience Scale. METHODS A single-group repeated measure design was used and 130 older adults from three different housing sites participated. Participants completed the Physical Resilience Scale, Hardy-Gill Resilience Scale, 14-item Resilience Scale, 5-item Geriatric Depression Scale, and the Yale Physi...

Testing Several Rival Models Using the Extension of Vuong\'s Test and Quasi Clustering

The two main goals in model selection are firstly introducing an approach to test homogeneity of several rival models and secondly selecting a set of reasonable models or estimating the best rival model to the true one. In this paper we extend Vuong's method for several models to cluster them. Based on the working paper of Katayama $(2008)$, we propose an approach to test whether rival models h...

Credibility, Validity and Testing of Dynamic Simulation Models

Heteroscedastic semiparametric transformation models: estimation and testing for validity

In this paper we consider a heteroscedastic transformation model of the form Λθ(Y ) = m(X) + σ(X)ε, where Λθ belongs to a parametric family of monotone transformations, m(·) and σ(·) are unknown but smooth functions, ε is independent of the d-dimensional vector of covariates X, E(ε) = 0 and Var(ε) = 0. In this model, we first consider the estimation of the unknown components of the model, namel...