A longitudinal item response model for Aberrant Behavior Checklist (ABC) data from children with autism

Haem, Elham; Doostfatemeh, Marziyeh; Firouzabadi, Negar; Ghazanfari, Nima; Karlsson, Mats O.

doi:10.1007/s10928-020-09686-0

Cited by 10 publications

(12 citation statements)

References 36 publications

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“…Further studies are warranted to identify the possible effect of multidimensional analysis in exploring DIF items. Although the potential dependency between parents group and children leads to the fourth limitation of this study, no simulation-based study so far has extended the iterative hybrid OLR/IRT approach for longitudinal data which could be much better handling dependency amongst the groups and controlling its possible effect on DIF detection [37,38]. However, some other DIF detection techniques were introduced which could deal with this problem and model the between groups covariance.…”

Section: Discussionmentioning

confidence: 99%

Assessing the effect of child’s gender on their father–mother perception of the PedsQL™ 4.0 questionnaire: an iterative hybrid ordinal logistic regression/item response theory approach with Monte Carlo simulation

Doostfatemeh

Ayatollahi

Jafari

2020

Health Qual Life Outcomes

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Background This study aimed at investigating the possible confounding effect of children’s gender on the parents’ dyads perception of their child HRQoL at both item and scale levels of PedsQLTM4.0 questionnaire. Methods The PedsQL™ 4.0 Generic Core Scales were completed by 573 children and their father-and-mother dyads. An iterative hybrid ordinal logistic regression/item response theory model with Monte Carlo simulation was used to detect differential item functioning (DIF) invariance across mothers/fathers and daughter/sons. Results Assessing DIF across mother–daughter, father–daughter, mother–son, and father–son dyads revealed that although parents and their children perceived the meaning of some items of PedsQLTM4.0 instrument differently, the pattern of fathers’ and mothers’ report does not vary much across daughters and sons. Conclusion In the Persian version of PedsQLTM4.0, the child’s gender is not a confounding factor in the mothers’ and fathers’ report with respect to their daughters’ and sons’ HRQoL. Hence, paternal proxy-reports can be included in studies, along with maternal proxy-reports, and the reports can be combined short of concerning children gender, when looking at parent–child agreement.

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Section: Discussionmentioning

confidence: 99%

Assessing the effect of child’s gender on their father–mother perception of the PedsQL™ 4.0 questionnaire: an iterative hybrid ordinal logistic regression/item response theory approach with Monte Carlo simulation

Doostfatemeh

Ayatollahi

Jafari

2020

Health Qual Life Outcomes

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“…Furthermore, item information curves were included to investigate which items of GHQ-12 carry the most information to detect psychiatric morbidity of parents. Information content of items were calculated using Fisher information which is formulated as minus the expectation of the second derivative of the log-likelihood of the model [28]. To evaluate the item fit, the generalized Orlando and Thissen's S-X 2 index for polytomous data was used [35], comparing the observed and expected response frequencies under the estimated MIRT model.…”

Section: Discussionmentioning

confidence: 99%

“…They provide the relative contribution of different items to total information across different regions along of the latent trait. Consequently, item information curves play a significant role in describing items, optimal selection of the most informative of subset of items and comparing efficiency between different tests [41,28]. In psychological distress dimension, two items including face up to problems (item 8) and capable of making decision (item 4), were found to have the least information.…”

Section: Discussionmentioning

confidence: 99%

“…There are several forms of IRT models that have been used for ordered categorical data including rating scale model, partial credit model, generalized partial credit model (GPCM), and graded response model (GRM) [29]. The most common IRT-based approach for multiple-response questionnaires in patient-reported outcome studies has been GRM [28]. In this study, a multidimensional extension of GRM was used to describe the probability of a given score as a function of two latent variables.…”

Section: Multidimensional Item Response Theorymentioning

confidence: 99%

“…The item response theory (IRT) provides a more detailed assessment of a questionnaire's items. This theory, also known as the latent response theory attempts to explain the relationship between an individual responses to items on the questionnaire and the latent trait [28,29]. It establishes a link between the properties of items on a questionnaire, individuals responding to these items and the underlying trait being measured.…”

Section: Introductionmentioning

confidence: 99%

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Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Haem

Doostfatemeh

2020

Preprint

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Background: Multidimensional item response theory (MIRT) model provides an ideal foundation to assess psychological properties of a questionnaire designed with multidimensional structure. This study aims to present the first use of MIRT models to investigate psychological properties of GHQ-12. Methods: A total of 1104 school children parents completed the Persian version of GHQ-12 questionnaire. A MIRT model was applied to model observed scores for each GHQ-12 item as a function of the subject’s latent traits while taking into account the correlation between dimensions of the questionnaire. The goodness of fit indices were reported and items fit were assessed. Individual items were described in detail through item characteristic curves and the amount of information carried by different items were presented using information curves. Results: The MIRT analysis of the 12 item GHQ successfully demonstrated two factor structure corresponding to psychological distress and social dysfunction. The model showed all items were fitted adequately. Items varied in their discrimination ranged from 0.86 to 2.35 and 1.18 to 2.41 for psychological distress and social dysfunction, respectively. Moreover, item 8 and item 2 provided the least information in psychological distress and social dysfunction dimensions, respectively. Conclusions: The developed framework to evaluate psychological properties of GHQ-12 can be a suitable alternative to traditional approaches and also unidimensional IRT models which its use have been restricted due to multidimensional structure of the questionnaire.

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Item performance of the scale for the assessment and rating of ataxia in rare and ultra‐rare genetic ataxias

Hamdan,

Hooker,

Chen

et al. 2024

CPT Pharmacom & Syst Pharma

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The Scale for the Assessment and Rating of Ataxia (SARA) is widely used for assessing the severity and progression of genetic cerebellar ataxias. SARA is now considered a primary end point in several ataxia treatment trials, but its underlying composite item measurement model has not yet been tested. This work aimed to evaluate the composite properties of SARA and its items using item response theory (IRT) and to demonstrate its applicability across even ultra‐rare genetic ataxias. Leveraging SARA subscores data from 1932 visits from 990 patients of the Autosomal Recessive Cerebellar Ataxias (ARCA) registry, we assessed the performance of SARA using IRT methodology. The item characteristics were evaluated over the ataxia severity range of the entire ataxia population as well as the assessment validity across 115 genetic ARCA subpopulations. A unidimensional IRT model was able to describe SARA item data, indicating that SARA captures one single latent variable. All items had high discrimination values (1.5–2.9) indicating the effectiveness of the SARA in differentiating between subjects with different disease statuses. Each item contributed between 7% and 28% of the total assessment informativeness. There was no evidence for differences between the 115 genetic ARCA subpopulations in SARA applicability. These results show the good discrimination ability of SARA with all of its items adding informational value. The IRT framework provides a thorough description of SARA on the item level, and facilitates its utilization as a clinical outcome assessment in upcoming longitudinal natural history or treatment trials, across a large number of ataxias, including ultra‐rare ones.

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A longitudinal item response model for Aberrant Behavior Checklist (ABC) data from children with autism

Cited by 10 publications

References 36 publications

Assessing the effect of child’s gender on their father–mother perception of the PedsQL™ 4.0 questionnaire: an iterative hybrid ordinal logistic regression/item response theory approach with Monte Carlo simulation

Assessing the effect of child’s gender on their father–mother perception of the PedsQL™ 4.0 questionnaire: an iterative hybrid ordinal logistic regression/item response theory approach with Monte Carlo simulation

Multidimensional Item Response Theory to Assess Psychological Properties of GHQ-12 in School Children Parents

Item performance of the scale for the assessment and rating of ataxia in rare and ultra‐rare genetic ataxias

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