What is a P-Value and Why Does it Matter?

Science's most important (and controversial) number has its origins in a British experiment involving milk and tea.

NOVA on Twitter: @novapbs
NOVA on Instagram: @novapbs

PRODUCTION CREDITS

Digital Producer:
Ana Aceves

PREDICTION BY THE NUMBERS

Written, Produced, and Directed by:
Daniel McCabe

Co-Producer:
Cara Feinberg

© WGBH Educational Foundation 2018

MEDIA CREDITS

Imagery:
Alamy
Getty
Pond5
Science Photo Library
Shutterstock

Music:
­APM

[xdassinx]

P FOR what you have to do after drinking a bunch of tea…

[Epoch]

Well there should be a Nobel prize for greatest replication and PROOF!

[MK-ztmf]

hmm is this what they call a 'T-test' then ?

[mctodd]

Think about the evidence for climate change when watching this.