Description Usage Arguments Details
Sobel Method for Testing Idirect Effects
1 | sobel(a, b, ase, bse)
|
a |
path from X to M. |
b |
path from M to Y. |
ase |
standard error for path a. |
bse |
standard error for path b. |
The Sobel method is conservative. Use the mmc function, or bootstrapping if marginal. The Sobel test also presumes a and b are uncorrelated.
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