scholarly journals A Mágikus Fogalomképzés Skála hazai változatának kialakítása

2021 ◽  
Vol 21 (4) ◽  
pp. 401-441
Author(s):  
Rózsa Sándor ◽  
Vincze Gábor ◽  
Török Imre András ◽  
Hupuczi Ernő ◽  
Hargitai Rita ◽  
...  
Keyword(s):  
Factor Analysis ◽  
Item Response Theory ◽  
Psychometric Properties ◽  
Item Response ◽  
Clinical Sample ◽  
Parallel Analysis ◽  
Dimensional Structure ◽  
Student Sample ◽  
Magical Ideation ◽  
Paranormal Beliefs

Háttér: A pszichózisra való sérülékenység feltárása és a korai intervenció a klinikai gyakorlat és a kutatások fontos részét képezik. A Mágikus Fogalomképzés Skála az egyik leggyakrabban alkalmazott önjellemző kérdőív, amelyet a pszichózisra való hajlam feltárására dolgoztak ki. Meglepő azonban, hogy a Mágikus Fogalomképzés Skála pszicho­ metriai jellemzőit klinikai mintán szinte alig vizsgálták. Célkitűzés: A tanulmány fő célja a Mágikus Fogalomképzés Skála faktorszerkezetének feltárása nagy elemszámú egyetemi hallgatói mintán (n = 1730) és pszichiátriai betegek (n = 319) körében. Módszerek: A kérdőív faktorszerkezetét megerősítő (egydimenziós, többdimenziós szerkezet, bifaktoros elrendezés) és feltáró faktorelemzések, valamint parallel­elemzések segítségével vizsgáltuk. A skálák megbízhatóságát a hagyományos módszerek mellett (pl. Cronbach­α) modellalapú megbízhatósági becslésekkel (hierarchikus ómega) is jellemeztük. A faktorszerkezet elemzését követően a valószínűségi tesztelméleti alapokon nyugvó Tétel­válasz elmélet (Item Response Theory, IRT) segítségével az item­paraméterek becslését (nehézség és diszkrimináció) és az eltérő tételműködést is megvizsgáltuk, majd egy rövid, 15 tételes változatot alakítottunk ki, amelynek a kritériumvaliditását más mérőeszközök felhaszná- lásával teszteltük (pl. Szkizotípia Személyiség Kérdőív rövid változat; Davis­féle Empátia Kérdőív). Eredmények: A parallel­elemzés a hallgatói mintán 3 faktort, míg a klinikai mintán 2 dimenziót valószínűsített. Mindkét minta esetében a negatív tételek önálló dimen ziót alkottak, amit járulékos faktornak tekintetve a későbbiekben nem elemeztünk. A megerősítő faktorelemzés a normatív hallgatói mintán a bifaktoros struktúrát támasztotta alá, ahol az általános faktor mellett két speciális dimenzió jelent meg: paranormális hiedelmek és mágikus okság/spiritualitás (RMSEA = 0,052; CFI = 0,993; TLI = 0,990). A klinikai mintán az egydimenziós szerkezet adta a legjobb illeszkedési mutatókat (RMSEA = 0,032; CFI = 0,970; TLI = 0,965). A 15 tételre rövidített skála jó pszichometriai jellemzőkkel rendelkezett, bár az IRT elemzés rávilágított arra, hogy néhány tétel eltérő jelentést hordoz a nemek (nők vs. férfiak) vagy a vizsgálati minta típusa (normatív vs. klinikai) szerinti összevetéskor. Következtetések: Eredményeink megerősítik, hogy a mágikus fogalomalkotás a klinikai mintán egydimenziós modellel ragadható meg leginkább, ezzel szemben a normatív hallgatói mintán már inkább egy bifaktoros struktúra valószínűsíthető, amelynek két speciális dimenziója az adaptív (mágikus okság/spiritulaitás) és maladaptív (paranormális hiedelmek) sajátosságok mentén különül el.Background: Study of vulnerability to psychosis and early intervention is an area of great clinical impact and research. The Magical Ideation Scale (MIS) is among the most widely used instruments for the assessment of psychosis proneness. However, there has been little research on the psychometric properties of the MIS in clinical sample. Aims: The main goal of the present work was to study the dimensional structure underlying the MIS in a large sample of students (n = 1.730) and clinical subjects (n = 319). Methods: The structures of the MIS were examined by confirmatory (e.g., single-factor model, model with second-order factor, bifactor model) and exploratory factor analysis and parallel-analysis. The internal consistencies were calculated not only in the conventional way (e.g. Cronbach’s α) but also in the controlling of the general factor (hierarchical omega, explained common variance). After initial testing, we used Item Response Theory (IRT) to shorten and further refine the instrument, and criterion validity was evaluated by other questionnaires (e.g. Schizotypy Personality Questionnaire – Brief Revised; Interpersonal Reactivity Index). Results: To determine the number of factors that can be applied, parallel-analysis provided a good estimation of the three dimensional structure of MIS in student sample and two dimensions in clinical subjects. However, the reversed worded items caused a method factor that does not appear to be substantively meaningful. Confirmatory factor analysis identified a bifactor solution (general scale and two specific scales: paranormal beliefs and magical reasoning/spirituality) for the MIS in student sample (RMSEA = 0.052, CFI = 0.993, TLI = 0.990), and a unidimensional factor structure in clinical sample (RMSEA = 0.032, CFI = 0.970, TLI = 0.965). The shortened 15-item version of the MIS has good psychometric properties, but few of the items displayed DIF across gender or type of sample (normative or clinical). Conclusions: Our results confirm that magical ideation can be considered as a single latent psychological variable on clinical sample, and a bifactorial structure in normative sample where the adaptive (magical reasoning/spirituality) and maladaptive (paranormal beliefs) functions separated.

scholarly journals The Revised Mood Rhythm Instrument: A Large Multicultural Psychometric Study

2021 ◽  
Vol 10 (3) ◽  
pp. 388
Author(s):  
Melissa Alves Braga de Oliveira ◽  
Euclides de Mendonça Filho ◽  
Alicia Carissimi ◽  
Luciene Lima dos Santos Garay ◽  
Marina Scop ◽  
...  
Keyword(s):  
Factor Analysis ◽  
Item Response Theory ◽  
Network Analysis ◽  
Psychometric Properties ◽  
Item Response ◽  
Response Theory ◽  
Item Response Theory Analysis ◽  
Increased Risk ◽  
Psychometric Analyses ◽  
Self Reporting Questionnaire

Background: Recent studies with the mood rhythm instrument (MRhI) have shown that the presence of recurrent daily peaks in specific mood symptoms are significantly associated with increased risk of psychiatric disorders. Using a large sample collected in Brazil, Spain, and Canada, we aimed to analyze which MRhI items maintained good psychometric properties across cultures. As a secondary aim, we used network analysis to visualize the strength of the association between the MRhI items. Methods: Adults (n = 1275) between 18–60 years old from Spain (n = 458), Brazil (n = 415), and Canada (n = 401) completed the MRhI and the self-reporting questionnaire (SRQ-20). Psychometric analyses followed three steps: Factor analysis, item response theory, and network analysis. Results: The factor analysis indicated the retention of three factors that grouped the MRhI items into cognitive, somatic, and affective domains. The item response theory analysis suggested the exclusion of items that displayed a significant divergence in difficulty measures between countries. Finally, the network analysis revealed a structure where sleepiness plays a central role in connecting the three domains. These psychometric analyses enabled a psychometric-based refinement of the MRhI, where the 11 items with good properties across cultures were kept in a shorter, revised MRhI version (MRhI-r). Limitations: Participants were mainly university students and, as we did not conduct a formal clinical assessment, any potential correlations (beyond the validated SRQ) cannot be ascertained. Conclusions: The MRhI-r is a novel tool to investigate self-perceived rhythmicity of mood-related symptoms and behaviors, with good psychometric properties across multiple cultures.

scholarly journals Examining Validity of the Candidate Notification Scale for Gifted Children by Mokken Scale Analysis

2020 ◽  
Vol 10 (6) ◽  
pp. 44
Author(s):  
Özge Bıkmaz Bilgen
Keyword(s):  
Factor Analysis ◽  
Item Response Theory ◽  
Confirmatory Factor Analysis ◽  
Item Response ◽  
Three Dimensional ◽  
Dimensional Structure ◽  
Gifted Children ◽  
One Dimensional ◽  
Confirmatory Factor ◽  
The One

The purpose of this study is to examine the validity of the scale for identifying gifted children, whose validity was proven by exploratory, confirmatory factor analysis, and whose reliability was proven the Cronbach alpha coefficient for identifying children in the 3-6 age group, using Mokken scaling based on nonparametric item response theory. The study group of the research consists of 253 students. As a result of the analysis of the 13-item 3-dimensional scale (above average ability, creativity and task commitment) with Monotone homogeneity Model, it is seen that a one-dimensional structure is obtained and the model fits when analyzed as a three-dimensional construct. For model data fit, when the discrimination and reliability values of the items are examined, it can be said that the one-dimensional structure of the scale is at an acceptable level, and relatively higher values are obtained for each criterion in the three-dimensional structure compared to the one-dimensional structure. Based on the findings, it can be interpreted that a parallel result was obtained in the validity study based on non-parametric item response theory of the scale, which was developed based on confirmatory factor analysis.

Psychometric properties of the Epworth Sleepiness Scale: A factor analysis and item-response theory approach

2018 ◽  
Vol 35 (4) ◽  
pp. 533-545 ◽  
Author(s):  
June J. Pilcher ◽  
Fred S. Switzer ◽  
Alec Munc ◽  
Janet Donnelly ◽  
Julia C. Jellen ◽  
...  
Keyword(s):  
Factor Analysis ◽  
Item Response Theory ◽  
Psychometric Properties ◽  
Item Response ◽  
Epworth Sleepiness Scale ◽  
Theory Approach ◽  
Response Theory

Psychometric properties of Persian version of Cognitive Behavioural Avoidance Scale: results from student, general population and clinical samples in Iran

2020 ◽  
Vol 48 (6) ◽  
pp. 705-716
Author(s):  
Reza Moloodi ◽  
Keith Dobson ◽  
Ladan Fata ◽  
Abbas Pourshahbaz ◽  
Parvaneh Mohammadkhani ◽  
...  
Keyword(s):  
Factor Analysis ◽  
General Population ◽  
Psychometric Properties ◽  
Clinical Sample ◽  
Population Sample ◽  
Clinical Samples ◽  
Depression Symptoms ◽  
General Population Sample ◽  
Student Sample ◽  
Persian Version

AbstractBackground:There is no published evidence about the psychometric properties of the Cognitive Behavioral Avoidance Scale (CBAS) in Eastern cultures.Aims:The current research evaluated the psychometric properties of a Persian version of the CBAS.Method:The research consisted of two studies. In Study 1, a university student sample (n = 702) completed the CBAS, the Beck Depression Inventory-II, the Thought Control Questionnaire and the Anxious Thoughts Inventory. In Study 2, a general population sample (n = 384) and a clinical sample (n = 152) completed the CBAS, the Young Compensation Inventory and the Depression, Anxiety, Stress Scale-21.Results:Exploratory factor analysis of the data from Study 1 suggested a four-factor solution for CBAS. The CBAS had acceptable internal consistency and test–re-test reliability, and showed significant correlations with depression symptoms and anxious thoughts. Confirmatory factor analysis of the data from Study 2 indicated good fit between the four-factor model and data. The CBAS had a significant relationship with depression, anxiety and stress symptoms, but no associations with schema compensatory behaviour strategy. Finally, the CBAS and its subscales successfully distinguished a clinical sample from a general population sample.Conclusions:The findings provide preliminary evidence for reliability and validity of the CBAS among Iranian student, general population and clinical samples.

Psychometric evaluation of an Italian adaptation of the PROMIS® anxiety short form in Immune-Mediated Inflammatory Diseases. An Item Response Theory analysis.

2020 ◽  
Author(s):  
Rocco Spagnuolo ◽  
Gabriella Antonucci ◽  
Rosa Daniela Grembiale ◽  
Cristina Cosco ◽  
Vanessa Funari ◽  
...  
Keyword(s):  
Factor Analysis ◽  
Item Response Theory ◽  
Psychometric Properties ◽  
Item Response ◽  
Patient Reported Outcomes ◽  
Inflammatory Diseases ◽  
Short Form ◽  
Response Theory ◽  
Immune Mediated ◽  
Patient Reported

Background: The prevalence of anxiety is three times greater in patients with chronic diseases than in the general population. There has recently been growing interest in the roles of inflammation in contributing to the development of anxiety in people with Immune-mediated inflammatory diseases (IMID). Patient-reported outcome measures can facilitate the assessment of physical and psychological functioning. In recent years various patient outcome measures (PROMs) have been implemented. The National Institutes of Health (NIH)'s Patient-Reported Outcomes Measurement Information System (PROMIS®) is a set of publicly available and standardized Patient-Reported Outcomes (PROs) that cover physical appearance, mental health, and social health. The PROMIS® has been built through an Item Response Theory approach (IRT), a model-based measurement in which trait level estimates depend on both persons' responses and on the properties of the items that were administered. The aim of this study is to test the psychometric properties of the original anxiety items of the PROMIS® in a cohort of outpatients with IMIDs.Methods: We translated the original eight anxiety items from the PROMIS into Italian and administered them to consecutive outpatients affected by Inflammatory Bowel disease (n = 246), rheumatological (n = 100) and dermatological (n = 43) diseases, and healthy volunteers (n = 280). We analyzed the data through an Item Response Theory (IRT) analysis to evaluate the psychometric properties of the Italian adaptation of the PROMIS® anxiety short form.Results: Taken together, Confirmatory Factor Analysis and Exploratory Factor analysis suggested that the unidimensionality assumption if the instrument holds. The instrument has excellent reliability from a Classical Theory of Test (CTT) standpoint (Cronbach's ⍺ = .94, McDonald's ω = .95). The 1PL Graded Response Model (GRM) model provided a good balance between the goodness of fit and parsimony (BIC = 9099.82) as compared to the 2PL GRM model (BIC = 9111.02). We did not find signs of Differential Item Functioning (DIF), but we found that the local independence assumption was violated for some items. The analysis of the test reliability curve suggested that the instrument is most reliable for higher levels of the latent trait of anxiety.Discussion: The Italian adaptation of the PROMIS® anxiety short form shows acceptable psychometric properties both from a CTT and an IRT standpoint. Its compatibility with the 1 parameter logistic (1PL) model implies that its total score is a sufficient statistic for the latent anxiety trait. The TRC shows that this instrument is mostly informative for people with higher levels of anxiety, making it particularly suitable for clinical populations such as IMID patients.

Item Response Theory for Psychometric Properties of the SNOT-22 (22-Item Sinonasal Outcome Test)

2021 ◽  
pp. 019459982110183
Author(s):  
David T. Liu ◽  
Katie M. Philips ◽  
Marlene M. Speth ◽  
Gerold Besser ◽  
Christian A. Mueller ◽  
...  
Keyword(s):  
Item Response Theory ◽  
Psychometric Properties ◽  
Item Response ◽  
Chronic Rhinosinusitis ◽  
Facial Pain ◽  
Item Discrimination ◽  
High Quality ◽  
Graded Response ◽  
Sinonasal Outcome Test ◽  
Snot 22

Objective The SNOT-22 (22-item Sinonasal Outcome Test) is a high-quality outcome measure that assesses chronic rhinosinusitis–specific quality of life. The aim of this study was to gain greater insight into the information provided by the SNOT-22 by determining its item-based psychometric properties. Study Design Retrospective cohort study. Setting Tertiary care academic centers. Methods This study used a previously described data set of the SNOT-22 completed by 800 patients with chronic rhinosinusitis. Item response theory graded response models were used to determine parameters reflecting item discrimination, difficulty, and information provided by each item toward the SNOT-22 subdomain to which it belonged. Results The unconstrained graded response model fitted the SNOT-22 data best. Item discrimination parameters and total information provided showed the greatest variability within the nasal subdomain, and the item related to sense of smell/taste demonstrated the lowest discrimination and provided the least amount of information overall. The dizziness item provided disparately lower total information and discrimination in the otologic/facial pain subdomain. Items in the sleep and emotional subdomains generally provided high discrimination. While items in the nasal, sleep, and otologic/facial pain subdomains spanned all levels of difficulty, emotional subdomain items covered higher levels of difficulty, indicating greater information provided at higher levels of disease severity. Conclusion The item-specific psychometric properties of the SNOT-22 support it as a high-quality instrument. Our results suggest the need and possibility for revision of the smell/taste dysfunction item, for example its wording, to improve its ability to discriminate among the different levels of disease burden.

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