You have decided that you want to get in shape, so you commit to working out at least 4 times a week after class. today, however, your classmates invite you to get ice-cream with them to celebrate the end of the semester. you are torn between your commitment to work out and your desire to hang out with your friends (and eat ice- ultimately, you decide to work out and catch up with your friends later if they are still out. you are demonstrating

reduces poverty and increases social and political stability

Explanation:

Self control refers to the act of restricting your own freedom in order to achieve a certain goal. It usually involves list of sacrifices that you need to made in order to obtain a certain type of benefit.

From the case above, you are demonstrating self control by  sacrificing the time that you have to socialize with your friends and ability to consume delicious foods in exchange of your physical improvement.

the answer is:

c. economic output

answer; randomized controlled trials;