Klaas Sijtsma
Affiliations: | Tilburg University, Tilburg, Noord-Brabant, Netherlands |
Website:
https://www.tilburguniversity.edu/nl/over/organisatie/klaas-sijtsmaGoogle:
"Klaas Sijtsma"Parents
Sign in to add mentor| Pieter Drenth | grad student | 1988 | RUG | |
| Ivo Molenaar | grad student | 1988 | RUG | |
| (Contributions to Mokken's nonparametric item response theory) | ||||
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Publications
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| Sijtsma K, Ellis JL, Borsboom D. (2024) Recognize the Value of the Sum Score, Psychometrics' Greatest Accomplishment. Psychometrika |
| Ellis JL, Sijtsma K. (2024) Proof of Reliability Convergence to 1 at Rate of Spearman-Brown Formula for Random Test Forms and Irrespective of Item Pool Dimensionality. Psychometrika |
| Ellis JL, Sijtsma K. (2023) A Test to Distinguish Monotone Homogeneity from Monotone Multifactor Models. Psychometrika |
| Sijtsma K, van der Ark LA. (2021) Advances in nonparametric item response theory for scale construction in quality-of-life research. Quality of Life Research : An International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation |
| Gu Z, Emons WHM, Sijtsma K. (2020) Precision and Sample Size Requirements for Regression-Based Norming Methods for Change Scores. Assessment. 1073191120913607 |
| Borghuis J, Bleidorn W, Sijtsma K, et al. (2019) Longitudinal associations between trait neuroticism and negative daily experiences in adolescence. Journal of Personality and Social Psychology |
| Oosterwijk PR, van der Ark LA, Sijtsma K. (2019) Using Confidence Intervals for Assessing Reliability of Real Tests. Assessment. 26: 1207-1216 |
| Zijlmans EAO, Tijmstra J, van der Ark LA, et al. (2018) Item-Score Reliability as a Selection Tool in Test Construction. Frontiers in Psychology. 9: 2298 |
| Zijlmans EAO, Tijmstra J, van der Ark LA, et al. (2018) Item-Score Reliability in Empirical-Data Sets and Its Relationship With Other Item Indices. Educational and Psychological Measurement. 78: 998-1020 |
| Zijlmans EAO, van der Ark LA, Tijmstra J, et al. (2018) Methods for Estimating Item-Score Reliability. Applied Psychological Measurement. 42: 553-570 |