Answer:
During this period, children's bodies change proportions and they start to look more like adults than babies. Arms and legs stretch to catch up and balance out the head and trunk. Children also begin to lose their "baby fat" as they develop sleeker, straighter bodies with the strong muscles necessary for work and play.
Explanation:
I don't know about social cognitive theory, but three factors I believe are:
Family
Friends
Experiences
Hope this helps
