Inference in Generalized linear mixed models with multivariate random effects is often made cumbersome by the high-dimensional intractable integrals involved in the marginal likelihood. An inferentialmethodology based on themarginal pairwise likelihood approach is proposed. This method belonging to the broad class of composite likelihood involves marginal pairs probabilities of the responses wh...

PURPOSE To demonstrate the effectiveness of Hierarchical Bayesian (HB) approach in a modeling framework for association effects that accounts for SEs of vision-specific latent traits assessed using Rasch analysis. METHODS A systematic literature review was conducted in four major ophthalmic journals to evaluate Rasch analysis performed on vision-specific instruments. The HB approach was used ...

BACKGROUND The Hospital Anxiety and Depression Scale (HADS) is commonly used to assess symptoms of anxiety and depression in motor neurone disease (MND). The measure has never been specifically validated for use within this population, despite questions raised about the scale's validity. This study seeks to analyse the construct validity of the HADS in MND by fitting its data to the Rasch model...

Die für die Informatik typischen Modelle können dem Anfangsunterricht in dem Schulfach Informatik eine Struktur geben, die zu einem vollständigeren Bild der Wissenschaft Informatik bei den Schülern führt. Die Leitlinie "Informatische Modellbildung" erweist sich für einen Informatikunterricht zur Enkulturation des allgemeinen Modellierens von Modellen als geeignet und legitimiert den Informatiku...

Das Ziel des ViPLab-Projektes der Universität Stuttgart [2] ist die Durchführung von Programmierübungen und elektronischer Prüfungen im ILIAS Lernmanagement-System der Universität Stuttgart. Historisch entstand das Projekt aus der Notwendigkeit heraus, Studierende in den Bachelor-Studiengängen so rasch wie möglich an Programmiersprachen und numerische Software wie Matlab heran zu führen, wofür ...

This study investigates differences in the partial scoring performance of examinees in elimination testing and conventional dichotomous scoring of multiple-choice tests implemented on a computer-based system. Elimination testing that uses the same set of multiple-choice items rewards examinees with partial knowledge over those who are simply guessing. This study provides a computer-based test a...

The training of judges in sport and in industry is a challenging educational problem and recent developments in educational measurement can contribute to the resolution of this problem. The results of the judging of 98 wines from one class of a prominent Australian wine show were analysed using Rasch scaling. The raw scores were out of 20, graduated in steps of half a point, giving a total of 4...

Results: Mean scores were 3.96 4.3 for the MGC and 7.66 4.6 for the QMGS. Neither scale fit the Rasch model (Xp<0.05). The MGC had lower PSI (0.14) than the QMGS (0.7). There was evidence of local dependency in both scales, as well as DIF for ocular and generalized disease. Disordered thresholds were found in 6(60%) items of the MGC and in 4(31%) of the QMGS. Collapsing response options did not...

Data from the 1996 Course Experience Questionnaire (CEQ) were analysed using the Rasch measurement model. This analysis indicates that 17 of the 25 CEQ items fit a unitary scale that measures course quality as perceived by graduates. Graduates are located on the interval measurement scale produced in the Rasch analysis. The interval nature of the scale renders the graduates’ scores amenable to ...