What Are the Limitations of the Contagion Approach to Collective

Multiple Choice

What are the limitations of the contagion approach to collective behaviour?

A) the theory is difficult to submit to an empirical test
B) some events cited by contagion theorists are not typical of collective behaviour in general
C) it tells nothing about the development of leadership and other roles within the collectivity
D) all of the above
E) none of the above