If they disapprove, there is grumbling under their breath, but no hissing.

I have never heard an audience in a photoplay theatre clap its hands even when the house was bursting with people.

Yet they often see the film through twice.

When they have had enough, they stroll home.

They manifest their favorable verdict by sending some other member of the family to "see the picture." If the people so delegated are likewise satisfied, they may ask the man at the door if he is going to bring it back.