Main causes of speech anxiety

What is one of the main causes of speech anxiety? Do you consider yourself as having high levels of speech anxiety? If so, what are some of the techniques that can help minimize the anxiety?
Paper details:

Please read the guidelines to answering and responding to discussion questions in the modules before completing the assignment.

Discussion 1:
Choose one of the following questions to respond to. After posting your answer, respond to at least 2 other students’ answers.
Questions:
What is one of the main causes of speech anxiety? Do you consider yourself as having high levels of speech anxiety? If so, what are some of the techniques that can help minimize the anxiety?