Chapter 8 Flashcards
1
Q
Bivariate correlation
A
Association with exactly two variables.
2
Q
What is statistical validity?
A
How well does the data support the conclusion?
3
Q
What is effect size?
A
Strength of a relationship between two or more variables?
4
Q
What is significance?
A
Likelihood of getting a specific correlation by chance assuming that there is no correlation in the population.
5
Q
What are three association-related terms that can be threats to statistical significance?
A
Outlier, restriction of range and curvilinear association.
6
Q
What are three criteria for causal inference?
A
Covariance of cause and effect, temporal precedence (directionality problem) and internal validity (third-variable problem)
