Volume 61, Issue 2, 2026

1. Demystifying Posterior Distributions: A Tutorial on Their Derivation
Han Du, Fang Liu, Zhiyong Zhang & Craig Enders

2. The Effects of Data Preprocessing Choices on Behavioral RCT Outcomes: A Multiverse Analysis
Giuseppe A. Veltri

3. Sample Size Determination for Optimal and Sub-Optimal Designs in Simplified Parametric Test Norming
Francesco Innocenti & Alberto Cassese

4. Detecting Transition Points in the Slope-Intercept Relation in Linear Latent Growth Models
Dayeon Lee & Gregory R. Hancock

5. Multilevel Metamodels: Enhancing Inference, Interpretability, and Generalizability in Monte Carlo Simulation Studies
Joshua B. Gilbert & Luke W. Miratrix

6. Integrated Trend and Lagged Modeling of Multi-Subject, Multilevel, and Short Time Series
Xiaoyue Xiong, Yanling Li, Michael D. Hunter & Sy-Miin Chow

7. Neural Network Analysis of Psychological Data: A Step-by-Step Guide
Lingbo Tong & Zhiyong Zhang

8. Novel Full-Bayesian and Hybrid-Bayesian Approaches for Modeling Intraindividual Variability
Yuan Fang & Lijuan Wang

9. A Two-Step Robust Estimation Approach for Inferring Within-Person Relations in Longitudinal Design: Tutorial and Simulations
Satoshi Usami

10. A Latent Space Graded Response Model for Likert-Scale Psychological Assessments
Ludovica De Carolis, Inhan Kang & Minjeong Jeon