Volume 55, Issue 5, 2020

1. Finite Mixtures of Hidden Markov Models for Longitudinal Responses Subject to Drop out
Maria Francesca Marino & Marco Alfò

2. Model Selection of Nested and Non-Nested Item Response Models Using Vuong Tests
Lennart Schneider, R. Philip Chalmers, Rudolf Debelak & Edgar C. Merkle

3. aPRIDIT Unsupervised Classification with Asymmetric Valuation of Variable Discriminatory Worth
Linda L. Golden, Patrick L. Brockett, Montserrat Guillén & Danae Manika

4. The Performance of Multivariate Methods for Two-Group Comparisons with Small Samples and Incomplete Data
Keenan A. Pituch, Megha Joshi, Molly E. Cain, Tiffany A. Whittaker, Wanchen Chang, Ryoungsun Park & Graham J. McDougall

5. Testing Differential Item Functioning in Small Samples
William C. M. Belzak

6. Enhancing Interpretability in Factor Analysis by Means of Mathematical Optimization
Emilio Carrizosa, Vanesa Guerrero, Dolores Romero Morales & Albert Satorra

7. Estimation of Controlled Direct Effects in Longitudinal Mediation Analyses with Latent Variables in Randomized Studies
Wen Wei Loh, Beatrijs Moerkerke, Tom Loeys, Louise Poppe, Geert Crombez & Stijn Vansteelandt

8. Conditional Direction Dependence Analysis: Evaluating the Causal Direction of Effects in Linear Models with Interaction Terms
Xintong Li & Wolfgang Wiedermann