All Stories

  1. Comparison of antibiotic prescription indexes by patient and physician gender and age: a cross-sectional study based on administrative data

    Article • BMC Primary Care, March 2026, Springer Science + Business Media

    Professor Leonardo Grilli

  2. Multilevel Intersectional Analysis to Identify Extreme Profiles in Italian Student Achievement Data

    Article • Social Sciences, November 2025, MDPI AG

    Professor Leonardo Grilli

  3. Comparing flexible modelling approaches: the varying-thresholds model versus quantile regression

    Article • Advances in Data Analysis and Classification, May 2025, Springer Science + Business Media

    Professor Leonardo Grilli

  4. Exploring the effects of journal article features: Implications for automated prediction of scholarly impact

    Article • Journal of Data and Information Science, February 2025, De Gruyter

    Professor Leonardo Grilli

  5. A Cross-Sectional Model Implementing Intersectional Analysis to Identify Extreme Profiles in Invalsi Data

    Article • January 2025, Springer Science + Business Media

    Professor Leonardo Grilli

  6. Variable Selection in Multilevel Models via Knockoffs: the Case of INVALSI National Tests

    Article • January 2025, Springer Science + Business Media

    Professor Leonardo Grilli

  7. Growth models for the progress test in Italian dentistry degree programs

    Article • Quality & Quantity, December 2024, Springer Science + Business Media

    Professor Leonardo Grilli

  8. Addressing bias due to measurement error of an outcome with unknown sensitivity in database epidemiologic studies. A contribution from the ConcePTION project

    Article • American Journal of Epidemiology, October 2024, Oxford University Press (OUP)

    Professor Leonardo Grilli

  9. The role of non-scientific factors vis-à-vis the quality of publications in determining their scholarly impact

    Article • Scientometrics, July 2024, Springer Science + Business Media

    Professor Leonardo Grilli

  10. Conditioning on the Pre-Test versus Gain Score Modelling: Revisiting the Controversy in a Multilevel Setting

    Article • Evaluation Review, April 2024, SAGE Publications

    Professor Leonardo Grilli

  11. Multiple Imputation and Multivariate Outliers Detection and Correction Integrated to Machine Learning: A Prediction of Functional Outcome in Post-Stroke Survivors

    Article • January 2024, Springer Science + Business Media

    Professor Leonardo Grilli

  12. Review of Multilevel and Longitudinal Modeling Using Stata, Fourth Edition, by Sophia Rabe-Hesketh and Anders Skrondal

    Article • The Stata Journal Promoting communications on statistics and Stata, September 2023, SAGE Publications

    Professor Leonardo Grilli

  13. Statistical methods to estimate the impact of remote teaching on university students’ performance

    Article • Quality & Quantity, January 2023, Springer Science + Business Media

    Professor Leonardo Grilli

  14. Quantile regression for count data: jittering versus regression coefficients modelling in the analysis of credits earned by university students after remote teaching

    Article • Statistical Methods & Applications, October 2022, Springer Science + Business Media

    Professor Leonardo Grilli

  15. Mixed-effect models with trees

    Article • Advances in Data Analysis and Classification, July 2022, Springer Science + Business Media

    Professor Leonardo Grilli

  16. The effects of citation-based research evaluation schemes on self-citation behavior

    Article • Journal of Informetrics, November 2021, Elsevier

    Professor Leonardo Grilli

  17. Ordered Logit Model

    Article • January 2021, Springer Science + Business Media

    Professor Leonardo Grilli

  18. Random effects regression trees for the analysis of INVALSI data

    Article • January 2021, Firenze University Press

    Professor Leonardo Grilli

  19. Multiple imputation and selection of ordinal level 2 predictors in multilevel models: An analysis of the relationship between student ratings and teacher practices and attitudes

    Article • Statistical Modelling, October 2020, SAGE Publications

    Professor Leonardo Grilli

  20. Discussion of ‘The class of CUB models: statistical foundations, inferential issues and empirical evidence’ by Domenico Piccolo and Rosaria Simone

    Article • Statistical Methods & Applications, April 2019, Springer Science + Business Media

    Professor Leonardo Grilli

  21. New Insights on Student Evaluation of Teaching in Italy

    Article • January 2019, Springer Science + Business Media

    Professor Leonardo Grilli

  22. Clustering Upper Level Units in Multilevel Models for Ordinal Data

    Article • January 2018, Springer Science + Business Media

    Professor Leonardo Grilli

  23. Evaluation of Student Performance through a Multidimensional Finite Mixture IRT Model

    Article • Multivariate Behavioral Research, September 2017, Taylor & Francis

    Professor Leonardo Grilli

  24. Fitting logistic multilevel models with crossed random effects via Bayesian Integrated Nested Laplace Approximations: a simulation study

    Article • Journal of Statistical Computation and Simulation, June 2017, Taylor & Francis

    Professor Leonardo Grilli, Francesco Innocenti

  25. Exploiting TIMSS and PIRLS combined data: Multivariate multilevel modelling of student achievement

    Article • The Annals of Applied Statistics, December 2016, Institute of Mathematical Statistics

    Professor Leonardo Grilli, Professor Fulvia Pennoni

  26. Impact of Chronic Care Model on diabetes care in Tuscany: a controlled before-after study

    Article • European Journal of Public Health, October 2016, Oxford University Press (OUP)

    Professor Leonardo Grilli

  27. From rankings to funnel plots: The question of accounting for uncertainty when assessing university research performance

    Article • Journal of Informetrics, August 2016, Elsevier

    Professor Leonardo Grilli

  28. Does Community-Based Rehabilitation Enhance the Multidimensional Well-Being of Deprived Persons With Disabilities? A Multilevel Impact Evaluation

    Article • World Development, December 2015, Elsevier

    Professor Leonardo Grilli

  29. Binomial Mixture Modeling of University Credits

    Article • Communication in Statistics- Theory and Methods, November 2015, Taylor & Francis

    Professor Leonardo Grilli

  30. Funnel plots for visualizing uncertainty in the research performance of institutions

    Article • Journal of Informetrics, October 2015, Elsevier

    Professor Leonardo Grilli

  31. Statistical modelling of gained university credits to evaluate the role of pre-enrolment assessment tests: An approach based on quantile regression for counts

    Article • Statistical Modelling, August 2015, SAGE Publications

    Professor Leonardo Grilli

  32. Specification of random effects in multilevel models: a review

    Article • Quality & Quantity, July 2014, Springer Science + Business Media

    Professor Leonardo Grilli

  33. Bayesian estimation with INLA for binary logit mixed models

    Article • Journal of Statistical Computation and Simulation, July 2014, Taylor & Francis

    Professor Leonardo Grilli

  34. Ordered Logit Model

    Article • January 2014, Springer Science + Business Media

    Professor Leonardo Grilli

  35. Specifying Measurement Error Correlations in Latent Growth Curve Models With Multiple Indicators

    Article • Methodology, January 2014, Hogrefe Publishing Group

    Professor Leonardo Grilli

  36. Group versus single handed primary care: A performance evaluation of the care delivered to chronic patients by Italian GPs

    Article • Health Policy, November 2013, Elsevier

    Professor Leonardo Grilli

  37. Latent class CUB models

    Article • Advances in Data Analysis and Classification, July 2013, Springer Science + Business Media

    Professor Leonardo Grilli

  38. Mothers’ Employment and their Children’s Schooling: A Joint Multilevel Analysis for India

    Article • World Development, January 2013, Elsevier

    Professor Leonardo Grilli

  39. The Use of Permutation Tests for Variance Components in Linear Mixed Models

    Article • Communication in Statistics- Theory and Methods, August 2012, Taylor & Francis

    Professor Leonardo Grilli

  40. Multilevel Models for Ordinal Data

    Article • November 2011, Wiley

    Professor Leonardo Grilli

  41. The Role of Sample Cluster Means in Multilevel Models

    Article • Methodology, August 2011, Hogrefe Publishing Group

    Professor Leonardo Grilli

  42. Modeling Partial Compliance Through Copulas in a Principal Stratification Framework

    Article • Journal of the American Statistical Association, June 2011, Taylor & Francis

    Professor Leonardo Grilli

  43. Classification and Multivariate Analysis for Complex Data Structures

    Article • January 2011, Springer Science + Business Media

    Professor Leonardo Grilli

  44. Selection bias in linear mixed models

    Article • METRON, December 2010, Springer Science + Business Media

    Professor Leonardo Grilli

  45. Causal Inference Through Principal Stratification: A Special Type of Latent Class Modelling

    Article • November 2010, Springer Science + Business Media

    Professor Leonardo Grilli

  46. Multilevel models for the evaluation of educational institutions: a review

    Article • January 2009, Springer Science + Business Media

    Professor Leonardo Grilli

  47. Statistical Methods for the Evaluation of Educational Services and Quality of Products

    Article • January 2009, Springer Science + Business Media

    Professor Leonardo Grilli

  48. Nonparametric Bounds on the Causal Effect of University Studies on Job Opportunities Using Principal Stratification

    Article • Journal of Educational and Behavioral Statistics, March 2008, American Educational Research Association (AERA)

    Professor Leonardo Grilli

  49. Multilevel Factor Models for Ordinal Variables

    Article • Structural Equation Modeling A Multidisciplinary Journal, January 2007, Taylor & Francis

    Professor Leonardo Grilli

  50. Multilevel Factor Models for Ordinal Variables

    Article • Structural Equation Modeling A Multidisciplinary Journal, January 2007, Taylor & Francis

    Professor Leonardo Grilli

  51. A multilevel multinomial logit model for the analysis of graduates’ skills

    Article • Statistical Methods & Applications, December 2006, Springer Science + Business Media

    Professor Leonardo Grilli

  52. The Influence of Childbearing Regional Contexts on Ideal Family Size in Europe

    Article • Population (English Edition), January 2006, CAIRN

    Professor Leonardo Grilli

  53. L'influence des différences de fécondité dans les régions européennes sur la taille idéale de la famille

    Article • Population, January 2006, CAIRN

    Professor Leonardo Grilli

  54. The random-effects proportional hazards model with grouped survival data: a comparison between the grouped continuous and continuation ratio versions

    Article • Journal of the Royal Statistical Society Series A (Statistics in Society), January 2005, Wiley

    Professor Leonardo Grilli

  55. Analysis of university course evaluations: from descriptive measures to multilevel models

    Article • Statistical Methods & Applications, December 2004, Springer Science + Business Media

    Professor Leonardo Grilli

  56. Alternative Specifications of Multivariate Multilevel Probit Ordinal Response Models

    Article • Journal of Educational and Behavioral Statistics, January 2003, American Educational Research Association (AERA)

    Professor Leonardo Grilli

  57. Specification issues in stratified variance component ordinal response models

    Article • Statistical Modelling, October 2002, SAGE Publications

    Professor Leonardo Grilli

  58. The transition from university to work: a multilevel approach to the analysis of the time to obtain the first job

    Article • Journal of the Royal Statistical Society Series A (Statistics in Society), January 2001, Wiley

    Professor Leonardo Grilli

  59. A Multilevel Analysis of Graduates’ Job Satisfaction

    Article • Springer Science + Business Media

    Professor Leonardo Grilli

  60. A Multilevel Chain Graph Model for the Analysis of Graduates’ Employment

    Article • Springer Science + Business Media

    Professor Leonardo Grilli

  61. University Studies and Employment. An Application of the Principal Strata Approach to Causal Analysis

    Article • Springer Science + Business Media

    Professor Leonardo Grilli

  62. Specification of Random Effects in Multilevel Models: A Review

    Article • SSRN Electronic Journal, Elsevier

    Professor Leonardo Grilli