Wha are the advantages if schramm’s model and its explanation

This model allows both the sender and receiver to compose and send it to the other party, thereby allowing both to be in each other's role. The concept of noise is included in the communication model, which helps to understand the problems which may occur during the decoding of the message by the sender.

breathe, think and analyze the situation, pull them aside and talk to them about it

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.