Answer:
valence
Explanation:
According to the expectancy theory of motivation, valence refers to how much we (as individuals, not collectively) value any possible rewards that we can obtain.
In our workplace, valence helps us to decide whether any offer is worth being accepted based on our personal needs, values or goals.
In this case, Janet was offered three additional weeks for maternity leave during the next year, but she needed them now, not next year. That is why she rejected the offer and ended up quitting her job.