साथी समूह में मित्रता और सहभागिता का विकास किस आयु वर्ग के दौरान विशेष रूप से बढ़ता है?

Children above the age of ________ years become more capable of learning about other people, especially unfamiliar individuals.

Which of the following does NOT directly govern or negatively restrict the basic social development of a child?