Stefan Schipolowski

Internet-based ability testing.

Ulrich Schroeders, Oliver Wilhelm, Stefan Schipolowski, 2010 .

A short knowledge scale for the measurement of crystallized intelligence

Ulrich Schroeders, Stefan Schipolowski, Christoph Kemper, 2013 .

Age-related changes in the mean and covariance structure of fluid and crystallized intelligence in childhood and adolescence☆

Ulrich Schroeders, Oliver Wilhelm, Stefan Schipolowski, 2015 .

Prediction of self-reported knowledge with over-claiming, fluid and crystallized intelligence and typical intellectual engagement

Oliver Wilhelm, Stefan Schipolowski, Gizem Hülür, 2011 .

Students' Argumentative Writing Skills in Science and First-Language Education: Commonalities and differences

Martin Hecht, Stefan Schipolowski, Martin Hecht, 2014 .

On the nature of crystallized intelligence: the relationship between verbal ability and factual knowledge☆

Ulrich Schroeders, Oliver Wilhelm, Stefan Schipolowski, 2014 .