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publications
Non-equivalent groups with covariates design using propensity scores for kernel equating
Published in Quantitative Psychology - 81st annual meeting of the psychometric society, 2017
Recommended citation: Wallin, G., Wiberg, M. (2017). "Non-equivalent groups with covariates design using propensity scores for kernel equating" In van der Ark, L., Wiberg, M., Culpepper, S. A., Douglas, J.A., & Wang, W-C. (Eds.) (2017). Quantitative Psychology: The 81st Annual Meeting of the Psychometric Society, Asheville, North Carolina, 2016. New York: Springer.
How to select the bandwidth in kernel equating
Published in Quantitative Psychology - 82nd annual meeting of the psychometric society, 2018
Recommended citation: Wallin, G., Häggström, J., & Wiberg, M. (2018). "How to select the bandwidth in kernel equating - An evaluation of five different methods." In Wiberg, M., Culpepper, S., Janssen, R., González, J., & Molenaar, D. (Eds.) (2018). Quantitative Psychology: The 82nd Annual Meeting of the Psychometric Society, Zurich, Switzerland, 2017. New York: Springer.
Kernel equating using propensity scores for nonequivalent groups
Published in Journal of Educational and Behavioral Statistics, 2019
Recommended citation: Wallin, G., and Wiberg, M. (2019). Kernel Equating Using Propensity Scores for Nonequivalent Groups. Journal of Educational and Behavioral Statistics. 44(4), 390-414.
Recommended citation: Wallin, G. & Wiberg, M. (2019). "Kernel equating using propensity scores for nonequivalent groups." Journal of Educational and Behavioral Statistics, 44(4), 390-414. https://journals.sagepub.com/doi/full/10.3102/1076998619838226
Model Selection for Presmoothing of Bivariate Score Distributions in Kernel Equating
Published in Quantitative Psychology - 84th annual meeting of the psychometric society, 2020
Recommended citation: Wallin, G., Häggström, J., & Wiberg, M. (2020). "Model Selection for Presmoothing of Bivariate Score Distributions in Kernel Equating." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U. & Kim, J-S. (Eds.) (2020). Quantitative Psychology: The 84th Annual Meeting of the Psychometric Society, Santiago, Chile, 2019. New York: Springer.
Extensions of the Kernel Method of Test Score Equating. Statistical Studies
Published in Statistical Studies - Umeå University, 2020
Recommended citation: Wallin, G. (2020). "Extensions of the Kernel Method of Test Score Equating. Statistical Studies " Statistical Studies - Umeå University. https://umu.diva-portal.org/smash/get/diva2:1378833/FULLTEXT01.pdf
Equating Nonequivalent Groups using Propensity Scores - Model Misspecification and Sensitivity Analysis.
Published in Quantitative Psychology - 85th annual meeting of the psychometric society, 2021
Recommended citation: Wallin, G., Wiberg, M. (2021). "Equating Nonequivalent Groups using Propensity Scores - Model Misspecification and Sensitivity Analysis." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U., & Kim, J-S. (Eds.) (2021). Quantitative Psychology: The 85th Annual Meeting of the Psychometric Society, Virtual, 2021. New York: Springer.
An Illustration on the Quantile-Based Calculation of the Standard Error of Equating in Kernel Equating
Published in Quantitative Psychology - 85th annual meeting of the psychometric society, 2021
Recommended citation: González, J., Wallin, G. (2021). "An Illustration on the Quantile-Based Calculation of the Standard Error of Equating in Kernel Equating." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U., & Kim, J-S. (Eds.) (2021). Quantitative Psychology: The 85th Annual Meeting of the Psychometric Society, Virtual, 2021. New York: Springer.
How important is the choice of bandwidth in kernel equating?
Published in Applied Psychological Measurement, 2021
Recommended citation: Wallin, G., Wiberg, M. & Häggström, J. (2021). "How important is the choice of bandwidth in kernel equating?." Applied Psychological Measurement, 45(7-8), 518-535.
Equality of admission tests using kernel equating under the non-equivalent groups with covariates design
Published in International Journal of Assessment Tools in Education, 2021
Recommended citation: Altintas, Ö. & Wallin, G. (2021). "Equality of admission tests using kernel equating under the non-equivalent groups with covariates design." International Journal of Assessment Tools in Education, 8(4), 729-743.
Rotation to Sparse Loadings using L^p Losses and Related Inference Problems
Published in ArXiv, 2022
ArXiv link Accepted for publication in Psychometrika.
Recommended citation: Liu, X., Wallin, G., Chen, Y., & Moustaki, I. (2022). "Rotation to Sparse Loadings using L^p Losses and Related Inference Problems" ArXiv.
Model Misspecification and Robustness of Test Score Equating Using Propensity Scores
Published in ArXiv, 2022
Accepted for publication in Journal of Educational and Behavioral Statistics.
Recommended citation: Wallin, G., & Wiberg, M. (2023). "Rotation to Sparse Loadings using L^p Losses and Related Inference Problems".
research_showcase
service
talks
IMPS 2016
Published:
Propensity scores in kernel equating for non-equivalent groups.
Winter conference in statistics
Published:
Selecting bandwidths in kernel equating with different tests and test distributions.
NCME 2017
Published:
Bandwidth selection in kernel equating for tests of different length and distribution.
IMPS 2017
Published:
Optimal bandwidth selection in kernel equating for different test types.
FREMO 2018
Published:
Revisiting the Bahadur representation of sample quantiles for the standard error of kernel equating.
IMPS 2019
Published:
Revisiting the Bahadur representation of sample quantiles for the standard error of kernel equating.
Inria Seminar
Published:
Equating non-equivalent test groups using covariates.
IMPS 2020
Published:
Equating non-equivalent groups using propensity scores - Model misspecification and sensitivity analysis.
Computational Psychometrics Seminar
Published:
Equating non-equivalent test groups using covariates.
IMPS 2021
Published:
A model-based approach for simultaneous clustering of individuals and items.
Cramer Talk - Swedish Statistical Society
Published:
Test score equating of nonequivalent groups using propensity scores.
IMS 2022
Published:
Multivariate Outlier Detection: A Flexible Item Response Theory Modeling Approach
IMPS 2022
Published:
Two-Way Outlier Detection for Item Response Data
Seminar Series, Dept. of Educational Measurement, Umeå University
Published:
Cheating detection in educational testing
Seminar Series, Dept. of Statistics, Uppsala University
Published:
Model-based clustering of multivariate data using a hybrid factor model
Seminar Series, Institute of Computer Science, Czech Academy of Sciences
Published:
On multivariate outliers and latent DIF detection in educational testing.
Social Statistics Seminar Series, Department of Statistics, London School of Economics
Published:
On fairness and interpretability in educational and psychological testing.
NCME 2023
Published:
A General Item Response Theory Framework for Latent DIF Detection.
Nordstat 2023
Published:
Rotation to Sparse Loadings using Lp Losses and Related Inference Problems.
EAM 2023
Published:
Local Equating of Test Scores using Propensity Scores: A New Method for Non-Equivalent Test Groups Without Anchor Items
IMPS 2023
Published:
DIF Analysis with Unknown Groups and Anchor Items
Data Science Institute - Lancaster University
Published:
On recovering sparse structures in exploratory factor analysis.
Computational Statistics and Machine Learning Group - Lancaster University
Published:
On recovering sparse structures in exploratory factor analysis.
IMPS 2024
Published:
On change-point detection in latent factor modeling
teaching
MATH404 - Statistical Learning
MSc course, Lancaster University, Department of Mathematics and Statistics, 2023
Michaelmas term 2023. Link here.