Final answer:
Interest groups can be organized into various categories based on their focus and characteristics. These include economic, societal, ideological, public interest, and governmental interest groups. Each type has a distinct purpose and target audience.
Step-by-step explanation:
Interest groups can be organized into various categories based on their focus and characteristics. Economic interest groups prioritize economic goals and comprise organizations like labor unions and professional associations. Societal interest groups advocate for the interests of specific demographic groups, such as the NAACP and LULAC. Ideological interest groups promote certain beliefs or values, while public interest groups work towards the betterment of society as a whole. Governmental interest groups influence policy-making and decision-making processes.