Results 21 to 30 of about 6,533 (127)

KernSmoothIRT: An R Package for Kernel Smoothing in Item Response Theory

open access: yesJournal of Statistical Software, 2014
Item response theory (IRT) models are a class of statistical models used to describe the response behaviors of individuals to a set of items having a certain number of options.
Angelo Mazza   +2 more
doaj   +1 more source

Validation and psychometric properties of the Somatic and Psychological HEalth REport (SPHERE) in a young Australian-based population sample using non-parametric item response theory

open access: yesBMC Psychiatry, 2017
Background The Somatic and Psychological HEalth REport (SPHERE) is a 34-item self-report questionnaire that assesses symptoms of mental distress and persistent fatigue.
Baptiste Couvy-Duchesne   +4 more
doaj   +1 more source

The Use of Nonparametric Item Response Theory to Explore Data Quality [PDF]

open access: yes, 2014
The aim of this chapter is to provide insight into a number of commonly used nonparametric item response theory (NIRT) methods and to show how these methods can be used to describe and explore the psychometric quality of questionnaires used in patient-reported outcome measurement and, more in general, typical performance measurement (personality, mood,
Meijer, Rob R.   +2 more
openaire   +3 more sources

Psychometric validation of Czech version of the Sport Motivation Scale.

open access: yesPLoS ONE, 2020
The Sport Motivation Scale (SMS) is a widely used instrument that assesses motivational processes within sport and exercise environments. The scale has demonstrated validity and reliability in multiple cultures, however, there is yet no empirical ...
Martin Komarc   +2 more
doaj   +1 more source

Specific and social fears in children and adolescents: separating normative fears from problem indicators and phobias

open access: yesBrazilian Journal of Psychiatry, 2017
Objective: To distinguish normative fears from problematic fears and phobias. Methods: We investigated 2,512 children and adolescents from a large community school-based study, the High Risk Study for Psychiatric Disorders.
Paola P. Laporte   +8 more
doaj   +1 more source

Harmonizing perspectives to understand attitudes: A mixed methods approach to crafting an assessment literacy attitude scale

open access: yesInternational Journal of Assessment Tools in Education
Assessment literacy's vital role in faculty effectiveness within higher education lacks sufficient tools for measuring faculty attitudes on this matter. Employing a sequential mixed-methods approach, this study utilized the theory of planned behavior to ...
Stefanie Wind   +2 more
doaj   +1 more source

Item response analysis of the Positive and Negative Syndrome Scale

open access: yesBMC Psychiatry, 2007
Background Statistical models based on item response theory were used to examine (a) the performance of individual Positive and Negative Syndrome Scale (PANSS) items and their options, (b) the effectiveness of various subscales to discriminate among ...
Lindenmayer Jean-Pierre   +3 more
doaj   +1 more source

Cognitive Assessment Models with Few Assumptions, and Connections with Nonparametric Item Response Theory [PDF]

open access: yesApplied Psychological Measurement, 2001
Some usability and interpretability issues for single-strategy cognitive assessment models are considered. These models posit a stochastic conjunctive relationship between a set of cognitive attributes to be assessed and performance on particular items/tasks in the assessment.
Junker, B.W., Sijtsma, K.
openaire   +2 more sources

Undergraduate Students’ Solutions of Modeling Problems in Algorithmic Graph Theory

open access: yesMathematics, 2019
Graphs can be considered as useful mathematical models. Graph algorithms are a common part of undergraduate courses in discrete mathematics. Even though they have been successfully implemented in secondary curricula, little research has been dedicated to
Janka Medová   +3 more
doaj   +1 more source

Psychometric properties of the SDM-Q-9 questionnaire for shared decision-making in multiple sclerosis: item response theory modelling and confirmatory factor analysis

open access: yesHealth and Quality of Life Outcomes, 2017
Background Shared decision-making is a cornerstone of patient-centred care. The 9-item Shared Decision-Making Questionnaire (SDM-Q-9) is a brief self-assessment tool for measuring patients’ perceived level of involvement in decision-making related to ...
Javier Ballesteros   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy