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Kathy Y S Lee, Joffee H S Lam, Kit T Y Chan, Charles Andrew van Hasselt, Michael C F Tong
OBJECTIVE: Applying Rasch analysis to evaluate the internal structure of a lexical tone perception test known as the Cantonese Tone Identification Test (CANTIT). DESIGN: A 75-item pool (CANTIT-75) with pictures and sound tracks was developed. Respondents were required to make a four-alternative forced choice on each item. A short version of 30 items (CANTIT-30) was developed based on fit statistics, difficulty estimates, and content evaluation. Internal structure was evaluated by fit statistics and Rasch Factor Analysis (RFA)...
March 1, 2017: International Journal of Audiology
Christopher John Brady, Lucy Iluka Mudie, Xueyang Wang, Eliseo Guallar, David Steven Friedman
BACKGROUND: Diabetic retinopathy (DR) is a leading cause of vision loss in working age individuals worldwide. While screening is effective and cost effective, it remains underutilized, and novel methods are needed to increase detection of DR. This clinical validation study compared diagnostic gradings of retinal fundus photographs provided by volunteers on the Amazon Mechanical Turk (AMT) crowdsourcing marketplace with expert-provided gold-standard grading and explored whether determination of the consensus of crowdsourced classifications could be improved beyond a simple majority vote (MV) using regression methods...
June 20, 2017: Journal of Medical Internet Research
David Andrich
The advantages of using person location estimates from the Rasch model over raw scores for the measurement of change using a common test include the linearization of scores and the automatic handling of statistical properties of repeated measurements. However, the application of the model requires that the responses to the items are statistically independent in the sense that the specific responses to the items on the first time of testing do not affect the responses at a second time. This requirement implies that the responses to the items at both times of assessment are governed only by the invariant location parameters of the items at the two times of testing and the location parameters of each person each time...
January 1, 2017: Statistical Methods in Medical Research
H Molde, K M Hynninen, T Torsheim, A B Bendixen, K Engedal, N A Pachana, I H Nordhus
BACKGROUND: Due to previously reported mixed findings, there is a need for further empirical research on the factorial structure of the commonly used Geriatric Anxiety Inventory (GAI). Therefore, the psychometric properties of the GAI and its short form version (GAI-SF) were evaluated in a psychogeriatric mixed in-and-out patient sample (n = 543). METHODS: Unidimensionality was tested using a bifactor analysis. Rasch modeling was used to assess scale properties...
June 20, 2017: International Psychogeriatrics
Doreen Huppert, Eva Grill, Thomas Brandt
AIMS: To construct and validate a short scale for the assessment of the severity of visual height intolerance (vHI) and acrophobia. METHODS: The questionnaire was developed from two earlier representative epidemiological studies (n = 5,529). Items were applied in a telephone survey of a representative population-based sample. RESULTS: A total of 1,960 persons were included. The life-time prevalence of vHI was 32.7% (f: 36.1%; m: 28.4%); 12% of these persons fulfilled the psychiatric criteria of acrophobia...
2017: Frontiers in Neurology
Lisa Teh, Catherine Pirkle, Chris Furgal, Myriam Fillion, Michel Lucas
BACKGROUND: Globally, food insecurity is a major public health concern. In North America, it is particularly prevalent in certain sub-groups, including Indigenous communities. Although many Indigenous and remote communities harvest and share food, most food security assessment tools focus on economic access. This study describes the psychometric evaluation of a modified Household Food Insecurity Access Scale (HFIAS), developed for mixed economies, to assess food insecurity among pregnant Inuit women...
2017: PloS One
Purya Baghaei, Christine Hohensinn
The linear logistic test model (LLTM) is a well-recognized psychometric model for examining the components of difficulty in cognitive tests and validating construct theories. The plausibility of the construct model, summarized in a matrix of weights, known as the Q-matrix or weight matrix, is tested by (1) comparing the fit of LLTM with the fit of the Rasch model (RM) using the likelihood ratio (LR) test and (2) by examining the correlation between the Rasch model item parameters and LLTM reconstructed item parameters...
2017: Frontiers in Psychology
Gareth J Morgan, Leo Rasche
No abstract text is available yet for this article.
June 13, 2017: Nature Reviews. Clinical Oncology
Marie Germund Nielsen, Eva Ørnbøl, Mogens Vestergaard, Per Bech, Kaj Sparle Christensen
OBJECTIVE: We aimed to assess the measurement properties of the ten-item Major Depression Inventory when used on clinical suspicion in general practice by performing a Rasch analysis. METHODS: General practitioners asked consecutive persons to respond to the web-based Major Depression Inventory on clinical suspicion of depression. We included 22 practices and 245 persons. Rasch analysis was performed using RUMM2030 software. The Rasch model fit suggests that all items contribute to a single underlying trait (defined as internal construct validity)...
June 2017: Journal of Psychosomatic Research
Kaj Sparle Christensen, Eva Oernboel, Doug Zatzick, Joan Russo
OBJECTIVE: The Patient Health Questionnaire (PHQ-9) is widely used for screening of depression in acutely injured trauma survivors. Rasch analysis has been used to evaluate its measurement characteristics. This paper aims: 1) to assess the psychometric properties of the nine PHQ-9 items and 2) to determine the structural validity of using the total PHQ-9 score as a clinical outcome measure. METHODS: PHQ-9 data for 937 persons aged 18-60years admitted to 20 level 1 trauma centers in the United States were included...
June 2017: Journal of Psychosomatic Research
Anners Lerdal, Randi Opheim, Caryl L Gay, Bjørn Moum, May Solveig Fagermoen, Anders Kottorp
BACKGROUND: A person's sense of coherence (SOC) reflects their perception that the world is meaningful and predictable, and impacts their ability to deal with stressors in a health-promoting manner. A valid, reliable, and sensitive measure of SOC is needed to advance health promotion research based on this concept. The 13-item Sense of Coherence Scale (SOC-13) is widely used, but we reported in a previous evaluation its psychometric limitations when used with adults with morbid obesity...
June 8, 2017: BMC Psychology
Alisa J Prager, Donald C Hood, Jeffrey M Liebmann, C Gustavo De Moraes, Lama A Al-Aswad, Qi Yu, George A Cioffi, Dana M Blumberg
Importance: Little is known about the association between structural macular damage and self-reported visual function of people with glaucoma. Objective: To determine the association between vision-related quality of life among patients with primary open-angle glaucoma with structural macular retinal ganglion cell plus inner plexiform layer (RGC+IPL) loss identified by spectral-domain optical coherence tomography (SD-OCT) machine-generated deviation maps and thickness measurements...
June 8, 2017: JAMA Ophthalmology
Takaaki Ikeda, Takumi Yamada
AIM: The aim of our study was to draft a scale measuring the social participation of community-dwelling frail older adults. METHODS: A questionnaire consisting of 37 items was prepared based on the findings of previous studies. We recruited community-dwelling older adults ≥65 years of age living in Mitaka City, Tokyo. The inclusion criteria were as follows: native speakers of Japanese; not being covered as support and care level; support level 1; support level 2; care level 1; and care level 2...
2017: Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
Søren N Rasch
Correctional surgery was performed on a 3-year-old intact male shih tzu presenting with Ehlers-Danlos syndrome, ocular disease, and skin fold dermatitis. A one-year follow-up showed that no further clinical corrections were needed. Therefore, surgery could be considered in some canine patients with Ehlers-Danlos syndrome.
June 2017: Clinical Case Reports
Himal Kandel, Jyoti Khadka, Mats Lundström, Michael Goggin, Konrad Pesudovs
PURPOSE: To identify the questionnaires used to assess refractive surgery outcomes, assess the available questionnaires in regard to their psychometric properties, validity, and reliability, and evaluate the performance of the available questionnaires in measuring refractive surgery outcomes. METHODS: An extensive literature search was done on PubMed, MEDLINE, Scopus, CINAHL, Cochrane, and Web of Science databases to identify articles that described or used at least one questionnaire to assess refractive surgery outcomes...
June 1, 2017: Journal of Refractive Surgery
Pey-Shan Wen, J Kay Waid-Ebbs, David P Graham, Drew A Helmer
OBJECTIVE: To compare the psychometric properties of two commonly used participation measures: the Community Reintegration of Service Members (CRIS) and the Participation Assessment with Recombined Tools-Objective (PART-O) in Veterans with mild traumatic brain injury (mTBI). DESIGN: The data were collected from two cross-sectional observation studies conducted in two Veterans Affairs medical centers. SETTING: Questionnaires were completed in-person or by mail...
June 2, 2017: Archives of Physical Medicine and Rehabilitation
Gislin Dagnelie, Pamela E Jeter, Olukemi Adeyemo
PURPOSE: We examine the dimensionality of the 150-item visual functioning questionnaire for individuals with ultralow vision (ULV-VFQ) and develop representative abbreviated versions, facilitating clinical use, while retaining compatibility with a 17-item performance assessment. METHODS: Subsets with 50 and 23 items covering the full difficulty range were selected, with evenly spaced item measures (IMs) and good representation of visual aspects and functional domains...
May 2017: Translational Vision Science & Technology
Pamela E Jeter, Collin Rozanski, Robert Massof, Olukemi Adeyemo, Gislin Dagnelie
PURPOSE: To develop and psychometrically evaluate a visual functioning questionnaire (VFQ) in an ultra-low vision (ULV) population. METHODS: Questionnaire items, based on visual activities self-reported by a ULV population, were categorized by functional visual domain (e.g., mobility) and visual aspect (e.g., contrast) to ensure a representative distribution. In Round 1, an initial set of 149 items was generated and administered to 90 participants with ULV (visual acuity [VA] ≤ 20/500; mean [SD] age 61 [15] years), including six patients with a retinal implant...
May 2017: Translational Vision Science & Technology
Daniela Fiedler, Steffen Tröbst, Ute Harms
Students of all ages face severe conceptual difficulties regarding key aspects of evolution-the central, unifying, and overarching theme in biology. Aspects strongly related to abstract "threshold" concepts like randomness and probability appear to pose particular difficulties. A further problem is the lack of an appropriate instrument for assessing students' conceptual knowledge of randomness and probability in the context of evolution. To address this problem, we have developed two instruments, Randomness and Probability Test in the Context of Evolution (RaProEvo) and Randomness and Probability Test in the Context of Mathematics (RaProMath), that include both multiple-choice and free-response items...
2017: CBE Life Sciences Education
Tzu-Yi Wu, Chung-Ying Lin, Kristofer Årestedt, Mark D Griffiths, Anders Broström, Amir H Pakpour
Background and aims The nine-item Internet Gaming Disorder Scale - Short Form (IGDS-SF9) is brief and effective to evaluate Internet Gaming Disorder (IGD) severity. Although its scores show promising psychometric properties, less is known about whether different groups of gamers interpret the items similarly. This study aimed to verify the construct validity of the Persian IGDS-SF9 and examine the scores in relation to gender and hours spent online gaming among 2,363 Iranian adolescents. Methods Confirmatory factor analysis (CFA) and Rasch analysis were used to examine the construct validity of the IGDS-SF9...
June 2, 2017: Journal of Behavioral Addictions
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