'interaction between variables' is correct and can be used in written English.
This phrase is often used in scientific or mathematical contexts, for example: "The correlation between these two variables can be seen through their interaction over time."
The methodology captured the interaction between variables.
The methodology also captured the interaction between variables which enabled exploration of the retention mechanism involved.
Two key areas; interaction between variables and concept transference were identified.
The positive and negative effects of variables and the interaction between variables on TC removal efficiency were determined.
The interaction between variables is inherent in multivariable processes and this fact may complicate their operation and control system design.
The positive and negative effects of variables and the interaction between variables on ammonia nitrogen removal and COD removal were determined.
Additionally, once analytical approaches are exhibited as mathematical expressions, they facilitate the assessment of the interaction between variables and the impact on results.
Considering its simplicity in interpretation, predictive accuracy, its data-driven and adaptive nature plus the ability to map the interaction between variables, the use of MARS_LR model in evaluating stability of underground entry-type excavations is promising.
The basic ANOVA can be adapted to examining more than one variable (essentially making it a paired test), as well as allowing us to look for interaction between variables and for nested designs.
It is widely accepted that temperature, acidity (pH) and ionic strength play an important role in these processes, but studying these aspects in isolation ignores the interaction between variables.
In addition, significant interaction between variables X1 and X3 was shown.
