Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

تمرين 15

If the presence of a crowd increases performance, it is called social (a) _____; if it decreases performance, it is called social (b) _____. If people in a crowd take on anti-social roles because they cannot be identified easily, it is called (c) _____. If an individual in a crowd is inhibited from helping someone in need, it is called the (d) _____ effect.