TY  - JOUR
TI  - Asymptotic and resampling strategies for assessing and comparing indirect effects in multiple mediator models
AU  - Kristopher J. Preacher
AU  - Andrew F. Hayes
PY  - 2008
JO  - Behavior Research Methods
DO  - 10.3758/brm.40.3.879
UR  - https://doi.org/10.3758/brm.40.3.879
ER  -