Michelle owns a local gaming arcade. She thinks that if her employees are excited that her arcade will be more popular. She buys some high-tech mood rings to measure her employee's excitement level at random points during the day. She also keeps count of the number of people who come to the arcade. She finds a strong positive association between the excitement levels indicated by the mood rings and the number of kids in the arcade one hour later. Michelle is __________ enough to suspect that her workers warm their hands in their pants pockets when they see her coming over to check their mood ring. This behavior creates ______________ in her proxy measure. Group of answer choices skeptical; bias skeptical; noise cynical; bias cynical; noise