Which of the following actions is driven by the superego? a. mina, a three-month-old baby, stopped crying when her mother picked her up. b. tanya drew the waiter’s attention to the fact that she and her friend had eaten two pizzas and two orders of fries, but their bill only mentioned one order of fries. c. tony was in a hurry and pushed ahead of the line to get on the bus. d. veronica quietly slipped a chocolate bar from the counter into her pocket when no one was looking. e. ronald was tempted to fly business class, but after thinking about it, he decided that it would be more prudent to fly economy class.

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.