"improve motivation" is correct and can be used in written English.
For example, one of the objectives of this project is to improve motivation and engagement.
In addition, researchers have to consider providing information to the assessors about techniques to improve motivation of children, either in the form of training or including motivational techniques in the instructions for the SHAP-C protocol.
To improve motivation and thereby increase staff performance, attention should be given to motivating factors, for example by increasing the individual's sense of achievement and to demonstrate recognition of that achievement.
Engaging with schoolchildren at an early age to improve motivation and encourage their aspirations around higher education is an important aspect of university life.
Or a brain-computer interface to "analyse intelligence information, improve motivation and accelerate learning", as well as a warfighter's ability to "detect and identify threats rapidly and at a distance"?
There is strong evidence that thoughtful employment of gaming elements can improve motivation and understanding.
To further improve motivation of learning of students, autonomy and scaffolding were introduced.
Following Mayo's findings, industrial engineers and sociologists have recommended other means of improving motivation and productivity.
Increased productivity, energy, better cognitive skills, reduced stress levels, improved motivation are all the obvious benefits of a good night's sleep.
The project targeted improving motivation, language learning opportunities, and student autonomy for future self-directed learning.
A + C (Barrio et al., 2015) Points Learning activities using a Student Response System SRSS) Improved motivation, attention, learning performance?
Upping the ante with high value rewards improves motivation and produces faster results.
