Final answer:
The Extremist Influence Model illustrates how extremists can create collective action, such as an uprising, despite high thresholds of most group members.
Step-by-step explanation:
The model that illustrates how extremists can create collective action, such as an uprising, despite the fact that most group members have high thresholds for such behavior, is The Extremist Influence Model. This model suggests that extremists have a disproportionate influence on group dynamics and can persuade others to engage in extremist actions. They are able to create a sense of urgency, manipulate group norms, and exploit social division to rally support for their cause.