Executive function (EF) skills are consistently associated with global mathematics assessments. However, less is known about which specific mathematics skills invoke EF in early childhood. We adapted batteries of EF, numerical, and patterning tasks to be conducted via synchronous video conferencing with typically developing 4-year-old children (N = 115, 56.6% female, 85.2% White, non-Hispanic, 7.8% Multiracial, 0.9% Hispanic, 0.9% Black, 1.7% American Indian/Alaska Native, 2.6% Asian and 0.9% missing) from primarily upper middle class households (maternal education range: some college to graduate or professional degree, mode = graduate or professional degree) in the United States. We found feasibility of remote adaptation varied greatly by task. Just over half of enrolled children (57.02%) completed all tasks and there were higher rates of missingness compared to an in-person sample with a similar age range collected in schools. Nonetheless, working memory predicted various mathematics skills, including patterning, verbal counting, and number comparison, controlling for age and maternal education. Relations between cognitive flexibility and patterning varied across model specifications. Overall, these findings provide insight into the costs and benefits of remotely administered direct assessments of EF and mathematics in early childhood and add to the growing body of literature suggesting working memory plays an important role in several foundational early mathematics skills. Suggestions are offered for remote assessment with preschoolers.
Previous research on children's knowledge about the mind has primarily focused on their comprehension of false beliefs, leaving the conceptualization of thoughts and thinking less explored. To address this gap, we developed a new assessment tool, the interview about the mind (IaM), to assess children's understanding of the mind. Two studies involving Polish preschool and early school-aged children were conducted to assess the validity and reliability of the tool: a cross-sectional study with 212 preschoolers aged three to 6 years (106 boys, M = 59 months) followed by a longitudinal study with approximately 200 children (110 boys) assessed at ages 5.5, 6.5, and 7.5 years. We found that the IaM possesses robust psychometric properties and a one-factor structure. Younger children recognize that thoughts are imperceptible to the senses and identified the mind's location as the head. Older children exhibited difficulties with analogical or abstract definitions of thoughts. As expected, a linear developmental trajectory was evident from ages 5.5–7.5, with children's language abilities showing a positive correlation with IaM scores. Future research should explore the relationship between knowledge about the mind and theory of mind (ToM), as well as cross-cultural differences in children's mind conceptualization.
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