Search for dissertations about: "contributions"
Showing result 1 - 5 of 2306 swedish dissertations containing the word contributions.
-
1. Partiality and Choice : Foundational Contributions
Abstract : The subject of the thesis is foundational aspects of partial functions (Papers 1, 2 & 4) and some choice principles (Papers 3 & 4) in the context of constructive mathematics.Paper 1 studies the inversion functions of commutative rings. The foundational problem of having them only partially defined is overcome by extending them to total functions. READ MORE
-
2. Nonparametric statistical inference about location : some contributions
Abstract : .... READ MORE
-
3. Quality Issues in Interview Surveys : Some Contributions
Abstract : In Paper I, I give a brief overview of the “state of the art” in methodological research related to interview surveys and I discuss some implications for survey practices. I study the literature on participation strategies, interviewer effects that can occur during the interview, methods for quality assurance and interviewer training. READ MORE
-
4. Estimating Interviewer Effects in Sample Surveys : Some Contributions
Abstract : This thesis focuses on measurement errors that could be ascribed to the interviewers. To study interviewer variability a measurement error model is formulated which makes a clear distinction between three sources of randomness: the sample selection, interviewer assignment, and interviewing. READ MORE
-
5. Control of the coding operation in statistical investigations : some contributions
Abstract : .... READ MORE