Sökning: "Differential item functioning"

Visar resultat 1 - 5 av 22 avhandlingar innehållade orden Differential item functioning.

  1. 1. Adolescent mental health : time trends and validity of self-report measures

    Författare :Ida Blomqvist; Eva Henje; Inga Dennhag; Anne Hammarström; Lotte Haverman; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Adolescent; classical test theory; computer adaptive testing; cross-sectional; differential item functioning; graded response model; item banks; item response theory; measurement invariance; mental health; Patient-Reported Outcomes Measurement Information System; Reynolds Adolescent Depression Scale second edition; self-report measures; time trends; barn- och ungdomspsykiatri; Child and Youth Psychiatry;

    Sammanfattning : Background: Studies of time trends of adolescent self-reported mental health suggest an increase of mental health symptoms globally. Unfortunately, several studies within the field have methodological problems, such as short time-period between measurements and different mental health measures over time. LÄS MER

  2. 2. Elektriska flickor och mekaniska pojkar : Om gruppskillnader på prov - en metodutveckling och en studie av skillnader mellan flickor och pojkar på centrala prov i fysik

    Författare :Kristian Ramstedt; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Differential item functioning; DIF; Mantel-Haenszel; polytomous; non-uniform; item bias; purification; P-SIBTEST; physics; electricity; mechanics; gender;

    Sammanfattning : This dissertation served two purposes. The first was to develop a method of detecting differential item functioning (DIF) within tests containing both dichotomously and polytomously scored items. LÄS MER

  3. 3. Occupational performance in school settings : evaluation and intervention using the school AMPS

    Författare :Michaela Munkholm; Anne G. Fisher; Britta Löfgren; Curt Hagquist; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Occupational therapy; Assessment; Rasch measurement; Children; schoolwork performance; Differential item functioning; Differential test funktioning; Outcomes; Efficacy of intervention; school-based practice; instrument development; Occupational therapy; Arbetsterapi; Occupational therapy; arbetsterapi;

    Sammanfattning : Background: This thesis is was designed to evaluate aspects of reliability and validity of the School Version of the Assessment of Motor and Process Skills (School AMPS) (Fisher, Bryze, Hume, & Griswold, 2007), an observation-based evaluation of quality of occupational performance when children perform schoolwork tasks in school settings. The long term goal was to contribute to knowledge about children at risk or with mild disabilities who experience difficulties with occupational performance in school settings, and describe how the School AMPS can be used when a true top−down process of planning and implementing school-based occupational therapy services is implemented in a Swedish context. LÄS MER

  4. 4. The Autism-Tics, ADHD and other Comorbidities inventory (A-TAC). Validity, reliability, and the measurement of autism in males and females

    Författare :Caroline Mårland; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; neurodevelopmental disorders; autism; ADHD; A-TAC; screening; sex; item response theory; differential item functioning;

    Sammanfattning : The Autism–Tics, ADHD and other Comorbidities inventory (A–TAC) is a broad-band screening instrument for neurodevelopmental disorder (e.g., autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD), and learning disorder (LD)), and commonly co-occurring disorders within child and adolescent psychiatry (e.g. LÄS MER

  5. 5. Workplace stress measured by Job Stress Survey and relationships to musculoskeletal complaints

    Författare :Stefan Holmström; Bo Molander; Margareta Barnekow-Bergkvist; Lars R Bergman; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Job stress; Job Stress Survey; work-related stress; musculoskeletal complaints; metal industry; differential item functioning; medical service; longitudinal.; Psychology; Psykologi;

    Sammanfattning : The main purpose of this thesis was to evaluate and test the Job Stress Survey (JSS, Spielberger, 1991; Spielberger & Vagg, 1999), a self-report instrument which assesses workplace stress. In the thesis a thorough evaluation is made of JSS scales and items, and the relations to health, particularly musculoskeletal complaints. LÄS MER