An informative speech that presents detailed information and research about a complex topic is referred to as which of the following?

An informative speech that presents detailed information and research about a complex topic is known as an expository speech. This type of speech is designed to explain, clarify, or provide in-depth information on a subject, often utilizing data, facts, and research findings to deepen the audience's understanding. It aims to be informative rather than convincing, focusing on delivering knowledge in a clear, organized manner.

Expository speeches typically delve into subjects that may require a significant amount of explanation and background information, making them suitable for complex topics. In contrast, persuasive speeches aim to convince the audience to adopt a particular viewpoint or take action, while narrative speeches tell a story, often lacking the structured, factual approach seen in expository speeches. Process speeches, on the other hand, focus on explaining how to perform a specific task or procedure, often emphasizing steps rather than comprehensive research on a complex topic.