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Visar resultat 1 - 5 av 31 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Observed score equating with covariates

   Författare :Kenny Bränberg; Marie Wiberg; Xavier de Luna; Dag Sörbom; Umeå universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Equating; observed score equating; true scores; item response theory; linear equating function; equipercentile equating; kernel equating; covariates; linear regression; mean squared error; Statistics; Statistik; Statistics; statistik;

   Sammanfattning : In test score equating the focus is on the problem of finding the relationship between the scales of different test forms. This can be done only if data are collected in such a way that the effect of differences in ability between groups taking different test forms can be separated from the effect of differences in test form difficulty. LÄS MER

3. 2. Psychometric studies of the Swedish version of the Adolescent Drug Abuse Diagnosis (ADAD) instrument

   Författare :Josefine Börjesson; Helene Ybrandt; Bengt-Åke Armelius; Anders Tengström; Umeå universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; ADAD; validity; reliability; assessment; psychometric; severity index; composite score; normal; antisocial adolescents; psychological health;

   Sammanfattning : This thesis describes studies into the psychometric properties of a Swedish language version of the Adolescent Drug Abuse Diagnosis (ADAD) instrument. The psychometric properties of this instrument have been examined in two previous studies: an American study was conducted by the developers of the interview, Friedman and Utada (1989), and a Swiss study was undertaken by Bolognini et al. LÄS MER

4. 3. A perfect score : Validity arguments for college admission tests

   Författare :Per-Erik Lyrén; Christina Stage; Marie Wiberg; Simon Wolming; Stephen G. Sireci; Umeå universitet; []
   Nyckelord :college admission tests; SweSAT; validity; interpretive arguments; predictive validity; equating; item revisions; subscores;

   Sammanfattning : College admission tests are of great importance for admissions systems in general and for candidates in particular. The SweSAT (Högskoleprovet in Swedish) has been used for college admission in Sweden for more than 30 years, and today it is alongside with the upper-secondary school GPA the most widely used instrument for selection of college applicants. LÄS MER

5. 4. On sepsis - epidemiology, prediction and diagnostics

   Författare :Lisa Mellhammar; Infektionsmedicin; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; sepsis; Epidemiologi; Early Warning Score; Bacteremia;

   Sammanfattning : The overall aims of this thesis were to improve prediction, diagnostics and knowledge on epidemiology of sepsis. In paper I, we developed and evaluated an integrated platform for rapid analysis of sepsis-causing organisms directly from blood samples. LÄS MER

7. 5. Swedish young offenders in community-based rehabilitative programmes : Patterns of antisocial behaviour, mental health, and recidivism

   Författare :Hanna Ginner Hau; Ann-Charlotte Smedler; Philip Hwang; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Young offenders; Rehabilitation; Adolescence; Developmental psychology; Prevention; Risk assessment; Juvenile justice; Recidivism; Mental health; Psychology; Psykologi; Psychology; psykologi;

   Sammanfattning : The overall aim of this thesis was to explore patterns of antisocial behaviour, mental health and recidivism among Swedish young offenders in community-based rehabilitative programmes (n=189). Study I explored the character and severity of self-reported behavioural problems prior to programme participation. LÄS MER