Which of the following are personal beliefs or speculations that have not been proved or verified?

When it comes to public speaking,

A. most people have natural talent and don't require practice. B. the more speaking opportunities you take, the more nervous you will feel. C. continued practice leads to greater success. D. speaker confidence guarantees speaker competence.

For most speeches, in and out of the classroom, formal audience analysis methods are impractical

Indicate whether the statement is true or false