Ethan Brown

• University of Minnesota

When the intended score interpretation is across construct dimensions, validity evidence based on internal structure should be collected (American Educational Research Association et al., 2014). Exploratory item factor analysis (EIFA) is a common approach for collecting this evidence. However, researchers may administer their scales to subsamples w...

Children’s spontaneous focus on numerosity (SFON) is described as an unprompted tendency that is stable across contexts. The attention to number task (AtN), an experimental forced-choice picture-matching task designed to evaluate select aspects of children’s focus on numerosity, may reveal whether task materials can implicitly prompt children to fo...

Automatized arithmetic can interfere with numerical judgments, and semantic misalignment may diminish this interference. We gave 92 adults two numerical priming tasks that involved semantic misalignment. We found that misalignment either facilitated or reversed arithmetic interference effects, depending on misalignment type. On our number matching...

How does symbolic number knowledge performance help identify young children at risk for poor mathematics achievement outcomes? In research and practice, classification of mathematics learning disability (MLD, or dyscalculia) is typically based on composite scores from broad measures of mathematics achievement. These scores do predict later math ach...

As the world gets more complex, it is harder and harder to see what is going on. But we are failing to use all our faculties, say Ethan Brown and Nick Bearman. We should use our ears as well as our eyes, and make our data sing. This article was another of the runners-up in our Young Statisticians Group/Significance writing competition.