Jules L Ellis

11PUBLICATIONS
6CO-AUTHORS
Semi- and unsupervised learningProbability theorySensory processes, perception and performanceStatistical theoryNumerical modelling and mechanical characterisation
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Publications (11)

|Jun 16, 2026
When Do Unifactorial Items Increase the Reliability?

|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

|Jul 21, 2024
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

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Frequent Collaborators

8 joint publications

Klaas Sijtsma

2 joint publications

Denny Borsboom

2 joint publications

Kristel de Groot

2 joint publications

Patrick J F Groenen