Rasch Models for Ordered Polytomous Items

Mesbah, Mounir; Kreiner, Svend

doi:10.1002/9781118574454.ch2

Cited by 31 publications

(18 citation statements)

References 6 publications

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“…By tradition, many questionnaires are developed on the basis of the expertise of professionals, with the risk of not targeting what is important from a patient perspective. 74 Consequently, what this study contributes and the main strength of this project is that we have chosen to base our PROM development on the very perspective of the patients. Also, we have gathered material for item generation based on the verbal phrasing of the target group.…”

Section: Discussionmentioning

confidence: 99%

What is important for you? A qualitative interview study of living with diabetes and experiences of diabetes care to establish a basis for a tailored Patient-Reported Outcome Measure for the Swedish National Diabetes Register

et al. 2016

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ObjectivesThere is a growing emphasis on the perspective of individuals living with diabetes and the need for a more person-centred diabetes care. At present, the Swedish National Diabetes Register (NDR) lacks patient-reported outcome measures (PROMs) based on the perspective of the patient. As a basis for a new PROM, the aim of this study was to describe important aspects in life for adult individuals with diabetes.DesignSemistructured qualitative interviews analysed using content analysis.SettingHospital-based outpatient clinics and primary healthcare clinics in Sweden.Participants29 adults with type 1 diabetes mellitus (DM) (n=15) and type 2 DM (n=14). Inclusion criteria: Swedish adults (≥18 years) living with type 1 DM or type 2 DM (duration ≥5 years) able to describe their situation in Swedish. Purposive sampling generated heterogeneous characteristics.ResultsTo live a good life with diabetes is demanding for the individual, but experienced barriers can be eased by support from others in the personal sphere, and by professional support from diabetes care. Diabetes care was a crucial resource to nurture the individual's ability and knowledge to manage diabetes, and to facilitate life with diabetes by supplying support, guidance, medical treatment and technical devices tailored to individual needs. The analysis resulted in the overarching theme ‘To live a good life with diabetes’ constituting the two main categories ‘How I feel and how things are going with my diabetes’ and ‘Support from diabetes care in managing diabetes’ including five different categories.ConclusionsCommon aspects were identified including the experience of living with diabetes and support from diabetes care. These will be used to establish a basis for a tailored PROM for the NDR.

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Section: Discussionmentioning

confidence: 99%

What is important for you? A qualitative interview study of living with diabetes and experiences of diabetes care to establish a basis for a tailored Patient-Reported Outcome Measure for the Swedish National Diabetes Register

et al. 2016

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“…Construct validity was investigated using the polytomous Rasch Model ( Masters, 1982 ), which is an item response model for ordinal data where the item parameters (i.e., item difficulty) are measured on the same scale as the person parameters (i.e., person ability) of the latent trait ( Mesbah & Kreiner, 2013 ). In this study, an item reflecting a symptom of severe depression is expected to have a high item difficulty and is therefore less likely to be endorsed.…”

Section: Methodsmentioning

confidence: 99%

Validity and Reliability of the Major Depression Inventory for Persons With Dual Sensory Loss

Hovaldt

Nielsen

Dammeyer

2018

Innovation in Aging

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Background and ObjectivesResearch has shown that dual sensory loss is a risk factor for depression in older adults. However, validated measures of depression for people with dual sensory loss are lacking. The purpose of the present study was to investigate the construct validity and reliability of the Major Depression Inventory for use among elderly persons with acquired dual sensory loss.Research Design and MethodsA cross-sectional questionnaire survey was conducted in a national sample of people ≥50 years of age with functional acquired dual sensory loss. Of the invited participants, 302 (66%) returned the questionnaire and 207 complete cases were included for analysis. Rasch models and graphical log-linear Rasch models were used for item analysis. Lack of differential item functioning was tested relative to severity of vision and hearing impairment, mode of questionnaire completion, age, sex, comorbidity, instrumental activities of daily living, social position, and cohabitation status.ResultsThe 10-item Major Depression Inventory did not fit the Rasch model. An 8-item version, excluding the items “feeling sad” and “sleep problems,” fit a graphical log-linear Rasch model. No evidence of differential item functioning was discovered, thus the 8-item Major Depression Inventory was measurement invariant across severity of impairments and mode of completing the questionnaire. The overall reliability was 0.81 and ranged from acceptable to good for all subgroups of participants, except males with severe hearing impairment and low functional status. Consequently, the 8-item version of the Major Depression Inventory was considered construct valid and reliable within the frame of reference.Discussion and ImplicationsAn 8-item version of the Major Depression Inventory can be used to screen for depressive symptoms in elderly persons with acquired dual sensory loss.

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“…Fischer (1977Fischer ( , 1991Fischer ( , 1995) used a similar model for measurement of change and was the first to point out that polytomous Rasch items could be reparameterized as power series distributed variables from which it follows that Rasch models can be regarded as multivariate Leunbach models. Recently, Mesbah and Kreiner (2013) also elaborated on the representation of polytomous items as power series distribution, a feature which has been important for the implementation of Rasch analyses in DIGRAM. Kreiner and Christensen (2007) showed that the total score over items from loglinear Rasch models with locally dependent items also has power series distributed variables from which it follows that Leunbach's model also may apply for scores over locally dependent items.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Assessment of cognitive ability at conscription for the Danish army: Is a single total score sufficient?

Nielsen

Kreiner

Teasdale

2019

Scandinavian J Psychology

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Børge Priens Prøve (BPP) was developed for the Danish Army by psychologist Børge Prien in the 1950s, as a test of general cognitive ability for use at conscription for the Danish armed forces. The final BPP (1957) had four subtests; a Raven‐like matrix subtest, and three subtests measuring verbal, numerical, and visuospatial ability. The BPP is a speeded test counting the number of correct responses within 45 minutes. Thus, we consider the BPP as a measure of “cognitive efficiency” rather than a pure measure of cognitive ability. The BPP is still in use.Using techniques available in 1960, Rasch concluded that the matrices and numerical tests appeared to satisfy the requirements of the Rasch (Probabilistic models for some intelligence and attainment tests, Danish Institute for Educational Research, Copenhagen; 1960) model, while the verbal and visuospatial tests did not. Since then, there have been, to our knowledge, no published studies of the psychometric scaling properties of the BPP, partly because the practice of the Danish draft board has been to record only the total score. We examine these properties by analysis of data from two cohorts (n = 9,491), using the Leunbach (A probabilistic measurement model for assessing whether two tests measure the same personal factor. The Danish Institute of Educational, Copenhagen, Denmark; 1976) model to assess whether the sum of the four subtests provides a statistically sufficient measure of a common latent trait. Since we found only weak evidence against fit to the Leunbach model, we claim that this warrants the use of a summarized total BPP score. We examined whether BPP subscales suffered from differential test functioning (DTF) relative to samples. Weak, and for practical purposes too weak, DTF was suggested for one subscale.

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Rasch Models for Ordered Polytomous Items

Cited by 31 publications

References 6 publications

What is important for you? A qualitative interview study of living with diabetes and experiences of diabetes care to establish a basis for a tailored Patient-Reported Outcome Measure for the Swedish National Diabetes Register

What is important for you? A qualitative interview study of living with diabetes and experiences of diabetes care to establish a basis for a tailored Patient-Reported Outcome Measure for the Swedish National Diabetes Register

Validity and Reliability of the Major Depression Inventory for Persons With Dual Sensory Loss

Assessment of cognitive ability at conscription for the Danish army: Is a single total score sufficient?

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