Scale errors are intriguing phenomena in which a child tries to perform an object-specific action on a tiny object. Several viewpoints explaining the developmental mechanisms underlying scale errors exist; however, there is no unified account of how different factors interact and affect scale errors, and the statistical approaches used in the…

Non-rigid spatial thinking, or mental transformations where the distance between two points in an object changes (e.g., folding, breaking, bending), is required for many STEM fields but remains critically understudied. We developed and tested a non-rigid, ductile spatial skill measure based on reasoning about knots with 279 US adults (M = 30.90,…

Fundamental motor skill development is crucial in preventing preschool children from early adoption of obesogenic lifestyles. This study aims to determine the motor skill level in preschool children and its gender differences in rural of Sarawak. This was a cross sectional study with a total of 153 children from 9 kindergartens. Children in this…