Showing 1 - 3 of 3 Research Library Publications

Quantifying the Bias of Non-linear Equating and Score Transformations

Posted: | Matthias von Davier, Brian Clauser

Essays on Contemporary Psychometrics: Pages 163-180

 

This paper shows that using non-linear functions for equating and score transformations leads to consequences that are not commensurable with classical test theory (CTT). More specifically, a well-known theorem from calculus shows that the expected value of a non-linearly transformed variable does not equal the transformed expected value of this variable.

Category:Assessment-Oriented Research, Scoring

Relationships Between Cognitive Complaints and Quality of Life in Older Adults With Mild Cognitive Impairment, Mild Alzheimer Disease Dementia, and Normal Cognition

Posted: | S. D. Stites, K. Harkins, J. D. Rubright, J. Karlawish

Alzheimer Disease & Associated Disorders: October–December 2018 - Volume 32 - Issue 4 - p 276-283

 

The purpose of this study is to examine the relationship between self-reports of cognitive complaints and quality of life (QOL) in persons with varying degrees of cognitive impairment.

Category:Health Professions

What Features of Stigma Do the Public Most Commonly Attribute to Alzheimer's Disease Dementia? Results of a Survey of the U.S. General Public

Posted: | S. D. Stites, J. D. Rubright, J. Karlawish

Alzheimer's & Dementia, 14: 925-932

 

The purpose of this survey is to understand how the prevalence of beliefs, attitudes, and expectations about Alzheimer's disease dementia in the public could inform strategies to mitigate stigma.

Category:Health Professions