The developmental norm helps educators understand the typical milestones children reach at different ages.
发展常模帮助教育者理解儿童在不同年龄达到的典型里程碑。
By comparing a child's performance to the developmental norm, teachers can identify areas where the child may need additional support.
通过将儿童的表现与发展常模进行比较，教师可以识别出儿童可能需要额外支持的领域。