Final answer:
The function not typical of interest groups is supporting candidates for public office. Interest groups focus on policy influence rather than direct candidate support.
Step-by-step explanation:
The question asks about the functions of interest groups and which of the listed options is not a typical function of such groups. Interest groups are organizations that form around specific public policies with the goal of influencing decision-makers and public policies. They educate the public, lobby government officials, participate in electioneering, and use media attention to achieve their goals. However, the one function that is not typical of these groups is supporting candidates for public office because while they may support policies aligned with certain candidates, they do not typically support candidates directly. The correct answer to the question is a. supporting candidates for public office.