Klaas Sijtsma

18PUBLICATIONS
28CO-AUTHORS
Sensory processes, perception and performanceProbability theoryStatistical theoryCommunity psychologyArchival, repository and related studies
Featured researcher

Get your video featured.

JoVEPublish with JoVE
Journal

Publications (18)

|Jul 15, 2026
Revisiting reliability and measurement precision: Towards a unified perspective.

|Jun 15, 2026
Bias and precision in true-score estimation.

|Feb 25, 2026
Reliability Theory for Measurements with Variable Test Length, Illustrated with ERN and Pe Collected in the Flanker Task.

Jules L Ellis, Klaas Sijtsma, Kristel de Groot

|Feb 25, 2026
Proof of Reliability Convergence to 1 at Rate of Spearman-Brown Formula for Random Test Forms and Irrespective of Item Pool Dimensionality.

Jules L Ellis, Klaas Sijtsma

|Feb 25, 2026
Recognize the Value of the Sum Score, Psychometrics' Greatest Accomplishment.

Klaas Sijtsma, Jules L Ellis, Denny Borsboom

|Jan 28, 2026
Assessing Questionable and Responsible Research Practices in Psychology Master's Theses.

Hilde E M Augusteijn, Jelte M Wicherts, Klaas Sijtsma

Pageof 3

Frequent Collaborators

8 joint publications

Jules L Ellis

3 joint publications

Lex M Bouter

3 joint publications

Denny Borsboom

2 joint publications

Kristel de Groot