Sarah publicly agrees with her seventh-grade classmates that parents should allow 13-year-olds to date. Later that day, she writes in

Sarah 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. Sarah’s public conformity to her classmates’ opinion best illustrates to power of: