correlation Flashcards
1
Q
what is correlation?
A
an association between two co-variables
2
Q
positive correlation
A
as one variable increases so does the other
3
Q
negative correlation
A
as one variable increases the other decreases
4
Q
zero correlation
A
no correlation whatsoever
5
Q
strengths of correlation
A
precise and quantifiable
no need for a controlled environment or manipulation of variables
6
Q
limitations of correlation
A
no causal relationships can be established