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Is Yawning contagious??

old wives tales
by

marysinsheimer

on 6 September 2013

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Transcript of Is Yawning contagious??

TRIALS
Is Yawning Contagious?
research
Theories for why we yawn:
hypothesis
We think that yawning is not physically contagious, but psychologically contagious, because there are many other theories on why we yawn that usually include our brains.
materials
A group of kids. ---EDP children
A watch or a clock
One fake yawner
One looker
experiment
1. Get a group of kids together, working, (etc.).
2. Start off
without
the fake yawns for 10 minutes.
3. The looker counts how many yawns they see within the 10 minutes of
no yawning
. Record data and reset the timer. perform this experiment
2 more times
.
4. Start off the second experiment
with
the fake yawns.
5. The looker counts how many yawns they see within the 10 minutes of
fake yawning
. Record data and reset the timer. Perform this experiment
2 more times
.
6. Draw conclusions.
data and observations
Conclusion
We think that yawning is not physically contagious, but psychologically contagious because there many theories on why we yawn that usually include our brains. We accept our hypothesis because it turned out in our favor. The results didn't turn out exactly the way we thought they would, but they were still pretty good. There weren't as many kids at EDP and it was a little too noisy. But, we agree that this is a very interesting topic and we would definitely like to look further into this.
From:Paola and Mary
WARNING: You may yawn during this presentation. It's not because we want to bore you, but it's proven that reading about yawning makes you yawn.
Yawning is meant to keep us awake.

Yawning seems to increase with boredom.
Resources!
1
2
3
4
5
yawns
no yawns
3
0

0
1
0
6
0
0

2
0
Manipulated variable: fake yawns
So............
How many times did you yawn?
How many of you yawned?
How many of you didn't yawn?
http://blogs.smithsonianmag.com/science/2013/06/the-mystery-of-yawning-and-why-its-contagious/
Snakes, fish, cats, dogs, unborn babies, and humans all yawn.
Humans yawn at least 10 times an hour.
A warm towel on your forehead makes you yawn!
There were not as many EDP children we thought there would be and it wasn't as quiet we thought it would be.
There are many theories on why we yawn, but no proof.
FUN FACT!
FUN FACTS!

FUN FACT!
For this experiment we used...
a way for the brain to cool down
boost oxygen in the body
http://science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm
http://www.thefactsite.com/2009/01/things-you-didnt-know-about-yawning.html
Researchers discovered, that the closer you are to someone genetically or emotionally, the more likely you will catch the yawn.
The average yawn lasts about six seconds.
http://www.huffingtonpost.com/2013/06/10/facts-yawning-why-we-yawn-contagious_n_3398301.html
http://www.loc.gov/rr/scitech/mysteries/yawn.html
Full transcript