All of the sensory modalities are functioning at birth, and neonates show a variety of sensory preferences.

The __________ theory states that workers decide how satisfied they feel with their jobs by comparing themselves to others

a. relativistic b. equity c. expectancy d. incentive

Chewing betel nut is __________

a. a ceremonial hallucinogen used by some African tribes b. one of the most frequently used psychoactive drugs in the world c. a medicinal treatment practiced by New Guinea Papuans d. none of these