The phrase "a mediating effect" is correct and usable in written English.
It can be used in contexts related to research, psychology, or statistics when discussing how one variable influences the relationship between two other variables.
Example: "The study found that stress had a mediating effect on the relationship between sleep quality and overall health."
Alternatives: "an intermediary effect" or "a moderating effect".
The first indicated a mediating effect whereby perceived academic competence mediated the relationship between attachment security to the mother and mastery goal orientation.
A previous study by Warmerdam et al. [ 60] on the effectiveness of "Allesondercontrole" has shown a mediating effect of mastery.
This indicates that the expectations of significant others have a mediating effect for habituated aspirations as well, and that it mediates the effects of parents' educational background or their cultural capital (Bourdieu, 1986).
The reasons for these similar findings might be that a mediating effect of dietary factors does not exist, that the effects of the mediators are so small that very large study samples are needed to show them, or that the dietary factors studied were too much of a simplification of the dietary behaviour as a whole.
However, none of those showed any suggestion for a mediating effect (data not shown).
Another finding implies that marketing-mix strategy has a mediating effect on the relationship.
The study found only a mediating effect of market knowledge on the relationship between foreign networking and international market involvement.
This concept enables one to specify the overall effect of the regional contexts as an additive or a mediating effect.
A mediating effect of environmental performance on the link between eco-control and economic performance is observed in different contexts.
In addition, there was a mediating effect of store image between store atmosphere and consumers' expectations of merchandise quality.
The trade diversion effect is reduced when intra-trade creates a mediating effect through the positive influence of shipping connectivity on extra-trade.
