Some of these sources will have more spectra than others. And some of these will point you to spectra in the literature.
Don't forget about Reaxys & SciFinder as sources of spectra.
Communication is divided into three parts - Words, Vocal Elements, and Nonverbal Elements
These parts are not equal partners in communication. Their contribution is roughly
In other words, vocal elements convey roughly 5 times more information than words. And nonverbal elements convey roughly 8 times more information than words. Therefore, it is extremely important that all the parts work together in communicating a message.
Below are twelve videos providing examples of when the vocal elements doesn't support the words. I call it upvoice but others call it uptalking or high rising terminals. Some of the videos also provide suggestions for being more confident in front of people.
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Section A - watch at least 5 videos
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First impressions - Add to your credibility and authority as a speaker
Australian speaking about Aussie accent
Between 1:00 and 1:50, how many times do you hear upvoice?
Pros & cons regarding uptalk - What % of managers felt that it made employees sound insecure (and could hinder their chances for promotion or a pay raise?
Speak with Conviction by Taylor Mali
According to Taylor Mali, what should you avoid when speaking?
Presentation Tip: use your voice more effectively
How does your tone indicate or reinforce a question, a statement, and a command?
End your sentences on a LOW pitch!
What are the three results of a higher pitch?
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Section B - watch at least 2 videos
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What is the presenter's view of upvoice in the workplace?
What are the 4 reasons why someone might use uptalk?
What are the 4 suggestions to eliminate uptalk?
Neuroscientist Andrew Huberman Explains Why People Upspeak
What is Joe Rogan's hypothesis (or two) for why people start using Upspeak?
Minimize UPTALK to Sound Professional and Get Taken Seriously
What are the five techniques to help you minimize uptalk?
Why I think Vocal Fry and Upspeak are Linked to Emotion | Amy Walker
What is Amy Walker's hypothesis for why people have uptalk?
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Section C - watch at least 1 video
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Body Language Expert Explains How to Show Confidence
Former FBI agent and body language expert Joe Navarro explains how we can project confidence through our body language. What does his company's research say about using UpTalk? What are the 3-4 tricks to help you be a better public speaker?
5 Ways to be Less Shy & More Confident
Communication skills expert Vinh Giang gives 5 ways to overcome shyness and boost confidence. Which one of those ways do you do really well? Which one of those ways do you do poorly?