Question

 A psychologist hypothesize that people eat less when they know

that they’re being monitored by someone. For this, the psychologist gathered 20 students from a university and divided them into two groups. Both of the groups were given their favorite food items to eat. However, the second group was told that they’re being monitored by a CCTV camera and nothing was said to the first group

Answer 1

Independent variable is Monitoring while dependent variable is the amount of food.