Sökning: "item bias"

Visar resultat 1 - 5 av 19 avhandlingar innehållade orden item bias.

  1. 1. Gruppskillnader i Provresultat : uppgiftsinnehållets betydelse för resultatskillnader mellan män och kvinnor på prov i ordkunskap och allmänorientering

    Författare :Christina Stage; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Test bias; item bias; content bias; sex bias; sex differences; vocabulary tests; tests on general knowledge;

    Sammanfattning : The present monograph deals with the problem of sex differences in test results from various angles. Initially, the aim was to investigate whether the use of test results in selection could be considered fair in spite of sex differences in test score averages. LÄS MER

  3. 2. Knowing if you would have known : A model of the hindsight bias

    Författare :Anders Winman; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Psychology; Hindsight bias; knew-it-all-along effect; calibration; realism of confidence; Psykologi; Psychology; Psykologi; Psychology; psykologi;

    Sammanfattning : A common finding in previous research on judgment under uncertainty is that when participants are presented with the correct answer to a general knowledge item or feedback about the actual outcome of an event they respond as if they "knew-it-all-along", as if the presented answer or outcome was easy to predict. The present thesis consists of ten experiments and offers a new theoretical model of this phenomenon, commonly referred to as hindsight bias. LÄS MER

  4. 3. 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

  5. 4. Fishing for Females : Sensory Exploitation in the Swordtail Characin

    Författare :Mirjam Amcoff; Niclas Kolm; Michael Ryan; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Sexual selection; Mate choice; Courtship; Sensory bias; Plasticity; Corynopoma riisei; Mulitiple signalling; Biologi med inriktning mot zooekologi; Biology with specialization in Animal Ecology;

    Sammanfattning : Mate choice plays an important role in sexual selection and speciation. The evolution of mate choice is intriguing in cases where choosy individuals gain little except for genetic material from the mate and where the trait used as a criterion for the choice is costly to its bearer. LÄS MER

  7. 5. Alexithymia : studies of alexithymia in relation to somatic complaints, cognitive bias, emotion, and affect intensity

    Författare :Margareta Simonsson-Sarnecki; Gunnar Lundh; Stockholms universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Affective symptoms; Psychology; Psychosomatic medicine; Alextymi; Psykosomatiska sjukdomar; psykologi; Psychology;

    Sammanfattning : This thesis presents four studies on alexithymia, measured by the twenty-item Toronto Alexithymia Scale (TAS-20), and explores its relation to somatization, cognitive bias, emotion, and affect intensity. Alexithymia, by definition, involves difficulties in identifying and describing emotions, and has been assumed to be associated with somatization. LÄS MER