please read attached papers. it will help you. all the best

please read Barron and Kenny paper first.

Hey,

In addition to the above references, I strongly recommend D.P. MacKinnon, who alone or with co-authors has published many papers on this subject.  Please find bellow just two examples of many

 thank you for providing these references. 

Thank you mr.Renzo for providing this reference . 

Thank you Mohamed Mohamed Battour and Delia Bancila for these references. They turn out to be helpful for a current project. 

Thank you Mohamed Mohamed Battour and Delia Bancila for these references. They turn out to be helpful for a current project. 

Thank you Mohamed Mohamed Battour and Delia Bancila for these references. They turn out to be helpful for a current project. 

Thank you Mohamed Mohamed Battour and Delia Bancila for these references. They turn out to be helpful for a current project. 

You might like to have a quick read of this powerpoint, which serves as a gentle introduction to these ideas: https://www.researchgate.net/publication/299598926_Mediation_Moderation_and_Interaction_Definitions_Discrimination_and_some_means_of_testing

Presentation Mediation, Moderation, and Interaction: Definitions, Discrim...

thank you very much for providing these references.

A simplified discussion on confusing statistical terms like moderation, mediation, interaction etc. can be found on my blog: http://learnerworld.tumblr.com/