Path Analysis

Causation provided by model

A

B

C

0.20

0.30

0.40

A

B

C

0.09

0.30

0.37

U

U

0.91

0.95

0.20 = 0.09 + 0.30 ? 0.37

Observed Correlations

Path Analysis

Possible causal relationships

X

Y

X

Z

Y

X

Z

Y

Previous slide

Next slide

Back to first slide

View graphic version