1/6
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
correlational research
examines relationship between two or more variables without intervention
third variable problem
possibility that a third unknown variable is influencing a relationship between two variables
scatterplot
visual representation of a relationship between two variables
correlation coefficient
statistical measure used to express the strength of a relationship between two variables (symbol = r; ranging from -1 to 1)
no correlation
no relationship between two variables (r = 0)
positive correlation
if one variable changes, the other variable changes in the same way (r > 0)
negative correlation
if one variable changes, the other variable changes in the opposite direction (r < 0)