Sökning: "rater variability"
Visar resultat 1 - 5 av 6 avhandlingar innehållade orden rater variability.
1. Looking Beyond Scores. A Study of Rater Orientations and Ratings of Speaking
Sammanfattning : .... LÄS MER
2. Investigating and Validating Spoken Interactional Competence: Rater Perspectives on a Swedish National Test of English
Sammanfattning : This thesis aims to explore different aspects of validity evidence from the raters’ perspective in relation to a paired speaking test, part of a high-stakes national test of English as a Foreign Language (EFL) in the Swedish upper secondary school. Three empirical studies were undertaken with the purpose of highlighting (1) the scoring process, (2) the construct underlying the test format, and (3) the setting and test administration. LÄS MER
3. On Rank-invariant Methods for Ordinal Data
Sammanfattning : Data from rating scale assessments have rank-invariant properties only, which means that the data represent an ordering, but lack of standardized magnitude, inter-categorical distances, and linearity. Even though the judgments often are coded by natural numbers they are not really metric. LÄS MER
4. Quantifying neurodegeneration from medical images with machine learning and graph theory
Sammanfattning : Neurodegeneration (or brain atrophy) is part of the pathological cascade of Alzheimer’s disease (AD) and is strongly associated with cognitive decline. In clinics, atrophy is measured through visual assessments of specific brain regions on medical images according to established rating scales. LÄS MER
5. Dermal exposure determinants : a pesticide exposure assessment approach for developing countries
Sammanfattning : Background: We know little about the levels of exposure to pesticide in subsistence farmers mainly because of lack of easy to use and low cost pesticide exposure assessment methods. Aim: This thesis aimed to develop a semi-quantitative approach to assess dermal exposure to pesticides relevant for conditions in developing countries. LÄS MER