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Psychology
Research methods
Correlation
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Saif
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Cards (6)
What is correlation?
Investigating the relationship between two
co-variables
What is the difference between correlation and experiments?
Experiments manipulate
IV
, correlation does not
Experiments seek to establish
cause and effect
, correlation only measures the relationship
What are the 3 correlation types?
positive correlation
negative correlation
no correlation
What is a correlation coefficient?
number between
-1
and 1
shows the
size
and direction of the correlation
What is a strength of correlation?
Good preliminary for
further research
if a correlation is found, further research can be conducted
What is a weakness of correlation?
no
cause and effect
is found (as
IV
not manipulated)
could be a
3rd variable