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

Susan Buhrs*, Thérèse van Amelsvoort, Jacqueline Strik, Sander Prudon, Richel Lousberg

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


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. The BST was administered as part of a larger neuropsychological assessment. The outbreak of Covid-19 and the subsequential lockdown in the Netherlands led to a premature termination of the study in March 2020. Data of 38 children were available. This dataset was analyzed and labeled as pilot.

RESULTS: Significant main effects of age, time components, levels, correct answer, and several interactions were found on the reaction time in the predicted direction. Random effects could also be modeled. A final statistical combination model is described.

CONCLUSION: Despite the small study sample, it seems to be justified to conclude that the BST is a potentially valuable instrument to test interference suppression in 5-11-year-old children. In the analysis of the BST, multilevel analysis has proven to be very rewarding. Since the present study only examined a small part of reliability and validity aspects, further psychometric research is desired.

Original languageEnglish
Pages (from-to)126-136
Number of pages11
JournalApplied Neuropsychology: Child
Issue number2
Early online date7 Nov 2022
Publication statusPublished - 2024


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