The Bivalent Shape Task in a Dutch primary school population: A pilot study for a first psychometric assessment.

Objective: The Bivalent Shape Task (BST) tests the ability to suppress interfering information. The purpose of this study was to assess some psychometric properties of the BST in 5-11-year-old children, using multilevel analysis.

Methods: The present study was initiated in a Dutch primary school in October 2019.