When you present the most important or convincing idea first in your speech, you are using the principle of?

The answer is principle of primacy. This is the state of being first, typically creates a strong and durable impression. Things learned initially are usually easy to remain in the mind, without effort. For instance, an instructor provides an ideal approach for successfully teaching the most important fundamentals of a subject. The instructor starts with the fundamentals and evading information of secondary importance will exercise the law of primacy to help consolidate the fundamentals quickly and for the long term. For the pupil, it means that learning must be right. “Unteaching” wrong first impressions will cause misperception unless the correct version is presented logically and carefully with effort devoted to explaining why the first version is incorrect or inferior.