quantitative chapter 18 Flashcards
1
Q
The Pearson’s r test is
A
A measure of the degree to which two variables are linearly related in a same
2
Q
a positive relationship is when
A
one variable goes up or down and so does the other
3
Q
a negative relationship is when
A
one variable goes up, the other goes down
4
Q
a neutral relationship is when
A
two variables don’t have anything to do with each other
5
Q
curvilinear relationship us
A
changes directions from a positive to a negative relationship. the severity of the illness starts to go down when the medication goes up, but then changes directions as the consumption of the medication increases
6
Q
pearson’s r measures a, not a
A
correlation, causation
