The phrase "adding to the motivation" is correct and usable in written English.
It can be used when discussing factors that increase or enhance someone's drive or desire to achieve a goal.
Example: "The team's success in the last project was a significant factor in adding to the motivation of the new members."
Alternatives: "increasing the motivation" or "boosting the motivation".
The thought of visiting Newham's schools with anything other than a gold from Moscow added to the motivation to reclaim the world crown she first won in Osaka in 2007.
The experience of having witnessed recovery on ART of seriously ill relatives or friends added to the motivation to encourage symptomatic partners to self-test.
The power to choose their work, too, rather then being assigned their next project, may also add to the motivation to get some good work done.
Another unique component of agency in prison was its interconnectedness with reciprocity, adding to the complexity of motivations and capacity for initiating change.
One item was deleted ("After doing this exercise, I'm satisfied no matter what my performance is") for both aerobic and strength exercises, as reliability analysis showed low-scale reliability when this item was added to the intrinsic motivation construct.
It is likely that the greater improvement observed in the trial in those without established disease compared with those with established disease was that there was less scope for the intervention to add to the higher underlying motivation in those with the experience of a cardiovascular event and diagnosis (quote 13).
Add to the uncertainty are the motivations, health and even state of mind of North Korea's leader, Kim Jong-il, remained cloaked in mystery.
Add to these motivations the fact that despite the authorities' strict control over online political content there is a lack of privacy laws in China to prevent people's private details being published on the Web, and the growth potential of the human flesh search engine is apparent.
