Answer:
He might give up working hard on writing projects because of lack of outcome for his efforts.
Explanation:
The given scenario presents a simple cause and effect situation where a lack of achievement of the desired outcome will effect Kevan and will cause him to lose interest and give up on working hard on writing projects. Stimulus and interaction with external or environmental factors is one of the most basic level behavioral models. Based on this interaction, it is clear to predict that Kevan might give up working hard on writing projects because of lack of outcome for his efforts.