Ludmilla publicly agrees with her seventh-grade classmates that parents should allow 13-year-olds to date. Later that day, she writes in her diary that she actually believes parents should prohibit kids from dating until they are at least 15 years old. Ludmilla's public conformity to her classmates' opinion best illustrates the power of ...

Answer: Power of normative social influence.

Explanation:

Normative social influence is a type of social influence that leads to a change in behavior of Individuals because they want to fit in a particular association and they therefore conform due to the influence of other people in the group in order to be applauded and accepted by them. The power of normative social influence stems from the fact that human beings are always in search for acceptance and will conform to the societal behavior to acquire such even though in private would not comply to thier standards.

Ludmilla publicly agreeing with her classmates that parents should allow 13-year-olds to date but privately negating such allowance in other to conform to her classmates' opinion best illustrates the power of Normative social influence

Power of public opinion commonly called socially correct decision

Explanation:

All over the world, there has been series of views and opinion that has been coming up. This views tends not to conform to the socially accepted views that was hold few decades ago. This views could be in the political sector, in the business sectors or in the social sector with a common example being allowing same-sex people from dating and marrying each other which was not obtainable 50 years ago.

For Ludmilla to publicly agree is as a result of the power of public opinion that are socially correct eventhough her personal views runs contary to it. She does not want to be on the opposing end of those politically correct group of people who felt their views are the right thing to do.