What is the reason for Kids not being Socializing and Found of Loneliness? I think it is due to easy access to Technology.
and it can be covered by taking kids to playgrounds, or set-up child playground equipment, as I have showing in infographic.

below

Explanation:

it can also be caused from death, strict parents, toxic relationships, or a lack of friends and socialization. Usually being held back by older people or fear and anxiety of not being accepted.

1.the evidene of the reaction

2.yes

3.yes

not sure if this what   you'r looking for would be percent composition