Sökning: "Spearman"

Visar resultat 1 - 5 av 39 avhandlingar innehållade ordet Spearman.

  1. 1. On Rank-invariant Methods for Ordinal Data

    Författare :Yishen Yang; Sune Karlsson; Elisabeth Svensson; Rolf Larsson; Örebro universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ordinal data; rank-invariance; systematic change; agreement; association; inter-rater reliability; ranking; Spearman; multi-item scale; Statistik; Statistics;

    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

  3. 2. Validity and Reliability of the Instrument DOA : A Dialogue about Working Ability

    Författare :Iréne Linddahl; Mona Eklund; Jönköping University; []
    Nyckelord :Client dialogue; Goal setting; Occupational therapy; Participation; Rasch analysis; Unidimensionality; Work assessment;

    Sammanfattning : The overall aim of this thesis was to examine the construct validity and the reliability of the instrument DOA; Dialogue about working ability. The theoretical foundation for DOA is the Model of Human Occupation. LÄS MER

  4. 3. Sensitivity and Uncertainty Analysis of Boiling Water Reactor Stability Simulations

    Författare :Ivan Gajev; Weimin Ma; Tomasz Kozlowski; Kostadin Ivanov; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; BWR Stability; Sensitivity; Uncertainty; SRA - Energy; SRA - Energi;

    Sammanfattning : The best estimate codes are used for licensing of Nuclear Power Plants (NPP), but with conservative assumptions. It is claimed that the uncertainties are covered by the conservatism of the calculation. LÄS MER

  5. 4. Motivación, aptitud y desarrollo estructural : Un estudio sobre la actuación lingüística en aprendientes suecos de español L2

    Författare :Rakel Österberg; Lars Fant; Inge Bartning; Carmen Muñoz; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Analytic ability; accuracy; aptitude; development; individual differences; intrinsic and extrinsic motivation; lexical richness; proficiency; second language acquisition; spoken Spanish performance; syntactic complexity; self-regulation theory; Spanish language; Spanska språket; Spanish; spanska;

    Sammanfattning : The aim of the present study is to examine how the development of syntactic complexity and accuracy in spoken Spanish L2 is related to two parameters, motivation and aptitude, in which individual differences are often claimed to correlate with successful second language learning (Dörnyei and Skehan 2003). The study shows how an understanding of the relationship between progression in second language proficiency and motivation is gained through the study of longitudinal data and the assessment of motivation in discourse. LÄS MER

  7. 5. Dermal exposure to pesticides in Nicaragua : a qualitative and quantitative approach

    Författare :Aurora Aragón; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Dermal exposure; developing country; pesticides; subsistence farmers; fluorescent tracer; visual scoring system; skin wipes; pesticide residues.;

    Sammanfattning : Background: Pesticide use continues to be a serious public health problem in developing countries, despite decades of safe pesticide use strategies. In Nicaragua, organophosphate insecticides, in particular chlorpyrifos and methamidophos are responsible for about half of the acute pesticide poisonings. LÄS MER