Developmental Stages: Infancy to Adolescence 2026 Practice Test – Master Every Stage with This Comprehensive All-in-One Guide!

Preschoolers show growing balance, leg strength, and coordinated movement, and they start to perform more dynamic tasks. Hopping on one foot for several steps reflects this level of gross-motor control—it's not just balancing, but moving with control and transferring weight from one leg to another, which is typical for a four-year-old. The other options tap into different skills: drawing a straight line is mainly fine-motor/pre-writing skill that can show up earlier; reading simple words is a literacy milestone rather than a motor milestone; balancing on one foot for a couple of seconds is a simpler, less demanding balance task that doesn’t demonstrate the more advanced hopping ability expected at this age.