The reading shows a technique for cracking chaucer's text, which was encrypted using a basic substitution cipher. that technique, which takes advantage of the fact that certain characters or groups of characters occur more often than others and can be used to crack any substitution cipher, is called:

Keesha's friend is giving a speech tomorrow and is worried because she just got an unflattering haircut. she is convinced everyone will stare at her bangs and will discuss her unattractive hair. her overestimation of people's reactions is known as: social fluency. a self-serving bias. the spotlight effect. the barnum effect.