For which reason may interest groups have difficulty attracting active members?

Question

Quizplus · Accepted Answer

Interest groups may have difficulty attracting active members when they lobby for collective goods, as individuals may choose to free-ride and benefit from the group's efforts without contributing themselves. This makes it difficult for the interest group to achieve their goals and sustain membership. A is incorrect as radical aims may attract passionate members, B is incorrect as having too many interest groups does not necessarily affect an individual's decision to join or not, and D is incorrect as lobbying for individual goods may actually attract more members who have a personal stake in the issue.

For Which Reason May Interest Groups Have Difficulty Attracting Active