ArticleInternational journal of psychology : Journal international de psychologie2025
Getting started with the graded response model: An introduction and tutorial in R.
Article in International journal of psychology : Journal international de psychologie, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Structural validity and measurement invariance of the Japanese version of the Kessler Psychological Distress Scale (K6): an item response theory analysis.Annals of medicine · 2026Article
- When "Well-Done" Is Not the Same: Item Response Theory Analysis of Medicine Residents' OSCE Communication Ratings Across Modalities.Journal of general internal medicine · 2026Article
- Identification and expression validation of key genes of Xiaozhengtongluo formula in the treatment of diabetic nephropathy by Mendelian randomization.Functional & integrative genomics · 2026Article
- Further Development and Validation of a Measure of Compassionate Healthcare in Action.Health expectations : an international journal of public participation in health care and health policy · 2026Article
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- Construction and validation of a prognostic model associated with chromatin remodeling in hepatocellular carcinoma.Translational cancer research · 2026Article
- Psychometric validation of the German Warwick-Edinburgh Mental Well-being Scale (WEMWBS) in an undergraduate health professions students cohort in Switzerland: a cross-sectional study.BMC psychology · 2026Article
- Validating an adaptive digital assessment of youth mental health needs: a cross-sectional study.NPJ digital medicine · 2026Article
- Revealing key genes and molecular mechanisms associated with dietary restriction in ulcerative colitis.Frontiers in molecular biosciences · 2026Article
- Evaluating employees' positive functioning at work: Adaptation and validation of the PERMA+4 scales in the Italian context.PloS one · 2026Article
- FLOT1 and EEF1D: ac4C-related genes bridging Alzheimer's disease and sleep deprivation.Frontiers in aging neuroscience · 2026Article
- Identification of NETs and inflammation-related prognostic genes in breast cancer and PCR experimental validation.Frontiers in genetics · 2026Article
- A validation study of mentees' views of mentors' cultural diversity awareness behaviors (CDA race/ethnicity behaviors scale).Journal of clinical and translational science · 2026Article
- Integrated NEK7-inflammasome and platelet transcriptomic signature generates mechanistic hypotheses in heart failure.PloS one · 2026Article
- Item Response Theory Analysis of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition Criteria for Internet Gaming Disorders.Psychiatry investigation · 2025Article
- Validation of the Chinese version of the 12-Item multiple sclerosis walking scale in individuals with multiple sclerosis: a psychometric and item response theory analysis.BMC psychology · 2025Article
- Identification and single-cell analysis of prognostic genes related to mitochondrial and neutrophil extracellular traps in bladder cancer.Scientific reports · 2025Article
- Bioinformatic Analysis of Apoptosis-Related Genes in Preeclampsia Using Public Transcriptomic and Single-Cell RNA Sequencing Datasets.Journal of inflammation research · 2025Article
- TMOD2 and DOCK4 as Novel Gut Microbiota-Associated Biomarkers for Colorectal Adenoma: Integrated Transcriptomic Analysis and Therapeutic Target Identification.Mediators of inflammation · 2025Article
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2 authors.
Funding
Abstract
This tutorial introduces the graded response model (GRM), a tool for testing measurement precision within the item response theory (IRT) paradigm, which is useful for informing researchers about the item and person properties of their measurement. The tutorial aims to guide applied researchers through a unidimensional GRM analysis in the R environment, using the psych, mirt and ggmirt packages. GRM is specifically designed to examine the psychometric properties of psychological scales with polytomous (Likert-style) items. The tutorial illustrates the procedure using data from the Open Psychometrics Database on the right-wing authoritarianism (RWA) scale, outlining the theoretical underpinnings of GRM and steps for data preparation, testing model assumptions, model fitting, plotting item parameters and interpretation of results.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.