A third grade teacher finds it interesting to observe how children's attention span and problem solving solving abilities may increase the course of the school year. He is examining : Physical development.

A ) Physical development. ✅

B ) Social development.

C ) Cognitive development

D ) Drill Method


Explanation: A third grade teacher finds it interesting to observe how children's attention span and problem solving solving abilities may increase the course of the school year. He is examining : Physical development