A(n) group is a small, less specialized group in which members engage in face-to-face, emotion-based interactions over an extended period of time.

Primary group

Explanation: The primary group as explained by Charles H. Cooley could be described as small and centralized group of people who come directly in contact, face-to-face for the mutual benefit, brotherhood of every member. They exercise sincere empathy towards one another and collectively shoulder the burden of one another thereby exhibiting a cordial and intimate

association within the group.

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the use of electrical signals that transit messages is know as