1. Part II: On the Use, the Misuse, and the Very Limited Usefulness of Cronbach’s Alpha: Discussing Lower Bounds and Correlated Errors

   • Klaas Sijtsma
   • Julius M. Pfadt

   Revisiting Cronbach’s Alpha Open access 13 August 2021 Pages: 843 - 860

   

2. Alpha, FACTT, and Beyond

   • Peter M. Bentler

   Revisiting Cronbach’s Alpha 16 August 2021 Pages: 861 - 868

3. A Test Can Have Multiple Reliabilities

   • Jules L. Ellis

   Revisiting Cronbach’s Alpha Open access 08 September 2021 Pages: 869 - 876

4. Neither Cronbach’s Alpha nor McDonald’s Omega: A Commentary on Sijtsma and Pfadt

   • Eunseong Cho

   Revisiting Cronbach’s Alpha 30 August 2021 Pages: 877 - 886

5. Rejoinder: The Future of Reliability

   • Klaas Sijtsma
   • Julius M. Pfadt

   Revisiting Cronbach’s Alpha Open access 17 September 2021 Pages: 887 - 892

6. A Guide for Sparse PCA: Model Comparison and Applications

   • Rosember Guerra-Urzola
   • Katrijn Van Deun
   • Klaas Sijtsma

   Application Reviews and Case Studies Open access 29 June 2021 Pages: 893 - 919

   

7. A Group Comparison Test under Uncertain Group Membership

   • Tobias A. Bauer
   • Alexandro Folster
   • Timo von Oertzen

   Theory and Methods Open access 26 August 2021 Pages: 920 - 937

   

8. An Attention-Based Diffusion Model for Psychometric Analyses

   • Udo Boehm
   • Maarten Marsman
   • Gunter Maris

   Theory and Methods Open access 13 July 2021 Pages: 938 - 972

   

9. Lord–Wingersky Algorithm Version 2.5 with Applications

   • Sijia Huang
   • Li Cai

   Theory and Methods Open access 27 July 2021 Pages: 973 - 993

   

10. A Bayesian Generalized Explanatory Item Response Model to Account for Learning During the Test

    • José H. Lozano
    • Javier Revuelta

    Theory and Methods (T&M) Open access 30 August 2021 Pages: 994 - 1015

    

11. Pursuing Collective Synchrony in Teams: A Regime-Switching Dynamic Factor Model of Speed Similarity in Soccer

    • Daniel M. Smith
    • Theodore A. Walls

    Application Reviews and Case Studies 18 June 2021 Pages: 1016 - 1038

    

12. Advances in CD-CAT: The General Nonparametric Item Selection Method

    • Chia-Yi Chiu
    • Yuan-Pei Chang

    Theory and Methods 02 August 2021 Pages: 1039 - 1057

    

13. ProcData: An R Package for Process Data Analysis

    • Xueying Tang
    • Susu Zhang
    • Zhiliang Ying

    Application Reviews and Case Studies 11 August 2021 Pages: 1058 - 1083

    

14. Darrell Bock, Influential University of Chicago Professor of Psychometrics, Dies at 93

    Obituary 15 November 2021 Pages: 1084 - 1085