2 papers
stat.ME2021
Conditioning on the pre-test versus gain score modeling: revisiting the controversy in a multilevel setting
Bruno Arpino, Silvia Bacci, Leonardo Grilli +2
We consider estimating the effect of a treatment on the progress of subjects tested both before and after treatment assignment. A vast literature compares the competing approaches…
stat.AP2019
Multiple imputation and selection of ordinal level 2 predictors in multilevel models. An analysis of the relationship between student ratings and teacher beliefs and practices
Leonardo Grilli, Maria Francesca Marino, Omar Paccagnella +1
The paper is motivated by the analysis of the relationship between ratings and teacher practices and beliefs, which are measured via a set of binary and ordinal items collected by…