The Influence relationship is used to describe that some motivational element may influence (the realization of) another motivational element.
An influence by some other motivational element may affect this degree positively or negatively
Attributes can be used to indicate the sign and/or strength of the influence. The choice of possible attribute values is left to the modeler; e.g., {++, +, 0, -, --} or [0..10]. By default, the Influence relationship models a contribution with unspecified sign and strength.
Dependency.
The degree in which the goal to increase customer satisfaction is realized may be represented by the percentage of satisfied customers that participate in a market interview.