Lesson 11 - Correlational Data Flashcards
1
Q
Fill the blank:
Correlations can either be ……………………….. Or ……………………….
A
Positive or negative
2
Q
What is a positive correlation?
A
When two co-variables increase at the same time
3
Q
What is a negative correlation?
A
As one co-variable increases, the other decreases
4
Q
What is a correlation coefficient?
A
The number that expresses the extent to which two variables are related or vary together
5
Q
What is the correlation coefficient for a perfect positive correlation?
A
+1.0
6
Q
What is the correlation coefficient for a perfect negative correlation?
A
-1.0
7
Q
What do correlations NOT do?
A
Correlations do not establish causality
