Prior to running the mediation model, X---------Y is not significant, X--------------M is significant and M----------------Y is also significant.
After running the mediation, results exhibit that the direct effect(c) (X----------Y) is not significant but the (c/) indirect effect (X-----M------Y) is significant. It is to be noted that a and b is also significant (X--M and M--Y).
In this situation can i claim that it is a full mediation as the Insignificant relationship between X and Y turned into significant through the indirect effect of M?? To summarize, (X--------M--------T, Significant)
According to the Baron and Kenny (1986), I cannot run the mediation if X-------Y is not significant.
If so, can you please refer to some of the literatures to support the findings?
Your help would be very appreciated. Thank you.
How do explain that
C' is non significant if
c' = c + ab
In your case:
c' = n.s + sig effect
So you expect c' to be significant.
It's possible if c and ab have different signs and c is close to significant or if adding M changes the relationship for other variables due to unobserved effects.
Check out my recent paper in Journal of Marketing Research if you want a reference to read up more particularly cases with multiple mediators and dichotomous measures for X,Y and M.
To my understanding and according to my experiemce there are no full mediation where the direct effect is not signifficant at all. Because the indirect effect are called to refflect the direct one, otherwise no full mediation process was conducted. Let me explain it the other way round, full mediation occur when either direct and indirect effect are produced by the same process and reached a common ground and agreement that satify boths parties involde, including the satisfaction of our interests well, their interests acceptablly, and the others tollerably, or where the parties reached an effecient solution, without waste, I mean the best option between.
Finally, I do not know any single mediation experience where full mediation happened with indirect effects. Please give some clues if any.
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