Nathan is being tutored by one his classmates, sarah. nathan wants to ask sarah to the prom but does not know whether she is interested in him. he looks out for signals of encouragement from her and realizes that she does not have a date for the prom. he also notes that she often calls him on the telephone just to talk and joins him for lunch on most days. this encourages nathan to ask sarah out and when he does, she says yes. according to the signal detection theory, this outcome can best be labeled as a

a is the final ! : )

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.