Stella S Bollmann

Much ado About Nothing, or Much to do About Something?

M. Bühner, M. Heene, Stella S Bollmann, 2014 .

Exploratory Factor Analysis

T. Shackelford, Virgil Zeigler‐Hill, Stella S Bollmann, 2020, Encyclopedia of Personality and Individual Differences.

Item-Focused Trees for the Detection of Differential Item Functioning in Partial Credit Models

Gerhard Tutz, Moritz Berger, Stella Bollmann, 2016, Educational and psychological measurement.

What can the Real World do for simulation studies? A comparison of exploratory methods

Moritz Heene, Helmut Küchenhoff, Markus Bühner, 2015 .

Evaluation of a new k-means approach for exploratory clustering of items

Moritz Heene, Andreas Hölzl, Helmut Küchenhoff, 2015 .

The "Goldilocks Zone": (Too) many confidence intervals in tests of mediation just exclude zero.

G. Banks, Erik Gonzalez‐Mulé, Ernest H. O’Boyle, 2020, Psychological bulletin.

Identification and assessment of a comprehensive set of structural factors associated with hospital costs in Switzerland

Philippe K. Widmer, S. Boes, Stella S Bollmann, 2022, PloS one.

Item-Focused Trees for the Detection of Differential Item Functioning in Partial Credit Models

G. Tutz, Stella S Bollmann, M. Berger, 2018, Educational and psychological measurement.

Exploratory Factor Analysis

T. Shackelford, Virgil Zeigler‐Hill, Stella S Bollmann, 2018 .