Sökning: "nonresponse bias"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden nonresponse bias.

  1. 1. Cost efficency of nonresponse rate reduction efforts : an evaluation approach

    Detta är en avhandling från Örebro : Örebro universitet

    Författare :Sara Westling; Örebro universitet.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; nonresponse bias; follow-ups; response distribution; resource allocation; cost efficiency; evaluation; nonresponse error; Monte Carlo simulations; SOCIAL SCIENCES Statistics; computer and systems science Statistics; SAMHÄLLSVETENSKAP Statistik; data- och systemvetenskap Statistik; Statistics; Statistik;

    Sammanfattning : Nonresponse, the failure to obtain complete measurement on all sample elements, is an increasing problem in sample surveys. Efforts to reduce the nonresponse rate are expensive and their effect may not be as desired. LÄS MER

  2. 2. Quality Issues in Interview Surveys : Some Contributions

    Detta är en avhandling från Stockholm : Statistiska institutionen

    Författare :Lilli Japec; Stockholms universitet.; [2005]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Interviewer cognitive process; interviewer burden; nonresponse bias; fieldwork; call attempts; interviewer interest; European Social Survey; Labour Force Survey; interviewer attitudes; interviewer strategies; interviewer satisficing; SOCIAL SCIENCES Statistics; computer and systems science Statistics; SAMHÄLLSVETENSKAP Statistik; data- och systemvetenskap Statistik;

    Sammanfattning : 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. LÄS MER

  3. 3. Understanding and prioritizing crash contributing factors

    Detta är en avhandling från Stockholm : Statistiska institutionen

    Författare :Emma Tivesten; [2014]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; car safety development; incidents; accident; insurance; mail survey; narrative; driving exposure; nonresponse; Naturalistic driving; crash;

    Sammanfattning : Real world data on driver behavior in normal driving and critical situations are essential for car safety development. Data collection and analysis methods that provide insight into the prevalence of crash contributing factors (e.g. LÄS MER

  4. 4. Essays on Measurement Error and Nonresponse

    Detta är en avhandling från Uppsala : Nationalekonomiska institutionen

    Författare :Fredrik Johansson; Uppsala universitet.; [2007]
    Nyckelord :Economics; Nationalekonomi;

    Sammanfattning : Essay 1 deals with measurement errors. Matching survey data with administrative records provides unique opportunities to evaluate the statistical properties of respondents' answers. This paper focuses primarily on home ownership and wealth variables. LÄS MER

  5. 5. Nonresponse issues when analysing business survey data

    Detta är en avhandling från Borlänge : Dalarna University

    Författare :Åsa Grek; Högskolan Dalarna.; [2018]
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Complex Systems – Microdata Analysis; Komplexa system - mikrodataanalys;

    Sammanfattning : Data issues due to nonresponse or missing data arises often in company surveys or in firm data. Missing data and nonresponse causes bias. Another problem that causes bias is omitted variables. Accordingly, it will lead to wrong conclusions. LÄS MER