PSY230H5 Lecture Notes - Lecture 3: Internal Consistency, Discriminant, Uncorrelated Random Variables
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Fundamentals II: Causality and Validity
Relevance of this Lecture
•This lecture explains the relation between
correlations and causality.
•This lecture explains the distinction between
personality measures and personality constructs
Correlation doesn’t prove causality!
A = true, B = false
The Bermuda Triangel of Causality
-Correlation does not prove causality
-r= p1 + p2 + p3 *p4
-too many unknowns!
Height and Weight
r = .5