Whybecausetheirdeviaonscores summate

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Unformatted text preview: oefficient
 •  Symbolized
by
r
 •  Covariance
divided
by
the
product
of
standard
 devia$ons
of
each
variable
 •  Formula:
 What
happens
when
this
 is
big?
 What
generally
makes
 this
big?
 WHEN
X
and
Y
are
moving
together
more!

 WHY?
Because
their
devia@on
scores
 summate!
 Correla$on
coefficient:

r
 
Interpreta$on:


+


=














or
 



 

 

 

 







‐


=






...
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This note was uploaded on 04/02/2014 for the course PSY 418 taught by Professor Haley during the Spring '08 term at University of Texas at Austin.

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