correlations Flashcards
1
Q
correlation
A
illustrates the strength and direction of an association between two or more 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
when there is no relationship between the variables
5
Q
strengths of using correlations
A
relatively quick and economical to carry out - there is no need for a controlled environment or manipulation of variables
6
Q
limitation of using correlations
A
studies can only tell us how variables are related but not why
