Test The Record and Review Technique for Developing Self-Awareness

1st QUESTION: What is the main objective of the "Record and Review" technique described in the text?

Playing the video with the screen face-down to focus exclusively on the five vocal fundamentals
Watching and listening to the video simultaneously for a complete view
Listening to the audio at a slower speed to avoid missing details
Transcribing the audio at the same time it is being listened to

A complex and technical topic to demonstrate knowledge
A previously memorized script, word for word
Any topic you're passionate about, since the focus is on form rather than content
A famous speech to imitate a good speaker