Whenever the boys got together, Curly Joe was a little more laid back than usual. He didn't help get the props ready, he didn't paint the scenery, he didn't rehearse his lines with the others. He believed everyone else would take care of things better than he could so it wasn't necessary for him to pitch-in. This concept is known as
Group of answer choices
Groupthink
Social loafing
Peripheral routes to persuasion
Self-perception theory