Public Speaking and Self Esteem

Sims Wyeth my East Coast Fripp Associate who is a great public speaking coach writes…
"A new study from Australia demonstrates that people with low-self esteem felt worse after practicing self-affirmations for a period of time, while those with high self-esteem felt better.
Why is this? People with low-self esteem have a belief that they’re not worthy. They hear the affirmation and reject it as false, compounding their negative feelings.
As a speaker, if you don’t believe in yourself or your message, it’s tough to show conviction. When selling your ideas, the first person you have to sell is yourself."