The pioneering a method called to enable subjects to examine their own mental processes.

WUNDT ,INTROSPECTION

Explanation:

It can be called a more scientific as well as a more informal method of the experimental approach. it is a process in which a person can introspect himself. Examing one's internal feelings and thought, Introspection is a reflection of feeling, thought, and action. As we can see in our family when we close someone they introspect our feeling without telling them when we faced some problems in our life. It has been called a research technique used by William Wundt. It is also known as experimental self-observation. It is a great source of self-knowledge. Whatever the knowledge provided by this process not provided in another way. People can connections their experience with other responses. But this technique can not use with children and animals.

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.