Answer:
the over-justification effect
Step-by-step explanation:
Based on the scenario being described within the question it can be said that the concept that best explains Jayla's feelings would be the over-justification effect . This concept refer when an incentive such as money or a prize lowers the individual's motivation to perform a certain task. Such as in this case since the scholarship that Jayla has received is making her not want to continue to play lacrosse anymore.