Results 1 to 10 of about 13,509 (296)

Detecting Violations of Unidimensionality by Order-Restricted Inference Methods [PDF]

open access: yesFrontiers in Applied Mathematics and Statistics, 2016
The assumption of unidimensionality and quantitative measurement represents one of the key concepts underlying most of the commonly applied of item response models.
Moritz eHeene   +2 more
exaly   +4 more sources

The Utility of the Bifactor Method for Unidimensionality Assessment When Other Methods Disagree

open access: yesSAGE Open, 2016
This article provides an empirical illustration of the utility of the bifactor method for unidimensionality assessment when other methods disagree. Specifically, we used two popular methods for unidimensionality assessment: (a) evaluating the model fit ...
Yong Luo, Khaleel Al-Harbi
exaly   +3 more sources

Further Insights Into the Beck Hopelessness Scale (BHS): Unidimensionality Among Psychiatric Inpatients

open access: yesFrontiers in Psychiatry, 2020
Short versions of the Beck Hopelessness Scale have all been created according the Classical Test Theory, but the use and the application of this theory has been repeatedly criticized.
Michela Balsamo   +2 more
exaly   +3 more sources

Item Analysis of the Behavior Rating Inventory of Executive Function-Adults Version Using the Rasch Model in Two Forms for People With Schizophrenia in Taiwan. [PDF]

open access: yesInt J Methods Psychiatr Res
Background The Behavior Rating Inventory of Executive Function‐Adults version (BRIEF‐A) consists of two forms, self‐report and informant‐report. Each form encompasses nine scales to assess executive functions.
Chiu EC, Lee YC, Wu YC, Lee SC.
europepmc   +2 more sources

Rasch validation of the Arabic version of the beach center family quality of life scale (BCFQOL-AR)

open access: yesFrontiers in Psychology, 2022
AimThis study aimed to examine the dimensionality of the BCFQOL-AR using Rasch analysis.MethodThe sample consisted of 320 families having a member with intellectual or developmental disabilities.
Ghaleb Hamad Alnahdi
doaj   +1 more source

Study of the Unidimensionality of the Subjective Measurement Scale of Schizophrenia Coping Oral Health Profile and Index: SCOOHPI

open access: yesBehavioral Sciences, 2022
Background: The Schizophrenia Coping Oral Health Profile and Index (SCOOHPI) scale studies the coping strategies of schizophrenic patients with regard to oral health. The structural validity of this scale is studied has been studied using factor analyses.
Mohamad Hamad   +4 more
doaj   +1 more source

Cronbach’s alpha in mathematics education research: Its appropriateness, overuse, and alternatives in estimating scale reliability

open access: yesFrontiers in Psychology, 2022
Critiques of coefficient alpha as an estimate of scale reliability are widespread in the literature. However, the continuous overuse of this statistic in mathematics education research suggests a disconnection between theory and practice.
Yusuf F. Zakariya
doaj   +1 more source

Perhaps Unidimensional Is Not Unidimensional [PDF]

open access: yesCognitive Science, 2012
AbstractMiller (1956) identified his famous limit of 7 ± 2 items based in part on absolute identification—the ability to identify stimuli that differ on a single physical dimension, such as lines of different length. An important aspect of this limit is its independence from perceptual effects and its application across all stimulus types.
Pennie Dodds   +2 more
openaire   +2 more sources

Dimensionality of Chemistry Teachers' Effectiveness Scale (CTES) in secondary schools in Osun state, Nigeria

open access: yesInternational Journal of Studies in Psychology, 2023
The study assessed the dimensionality of the Chemistry Teachers’ Effectiveness Scale (CTES) in Osun State, Nigeria secondary schools. Also, the study determined the extent to which CTES satisfies the unidimensionality assumption of the Item Response ...
Deborah Adamu
doaj   +1 more source

ARDP: SIMPLIFIED MACHINE LEARNING PREDICTOR FOR MISSING UNIDIMENSIONAL ACADEMIC RESULTS DATASET [PDF]

open access: yesApplied Computer Science, 2023
In this paper, we present the Academic Results Datasets Predictor (ARDP), for missing academic results datasets, based on chi-squared expected calculation, positional clustering, progressive approximation of relative residuals, and positional averages of
Olufemi A. FOLORUNSO   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy