"You should now understand the three most-recommended methods for improving your ability to recall people's names: the repetition method, the word-association method, and the visual imagery method. I hope you will put these methods into practice and you will remember my name the next time you see me in the hall." What device is Aisha making use of in her speech?A) a final summaryB) a transitionC) an internal summaryD) a preview statement

A summary may be defined as a brief account or statement of the main speech or a writing. It is also the abstract or synopsis where it represents the short and main idea of the entire speech.

In the context, Aisha is presenting a final summary of her speech to the audience by saying the final and the most important points in short or brief of how to improve the retention ability of a person to recall a person's name.

Thus the correct option is (A).