If one doesn't know how they are being traced, it could lead to various forms of distress and unrest. Take for example, the anxious person who enjoys baking. If they were anxious because they didn't know how they were being traced, they might start thinking their whisk was being used to trace them. This may then put the off baking altogether.
Learning without direct reinforcement but by watching others is part of the behavioral approach. It is called modeling.
Mr. Enfield and Mr. Utterson are both similar in that they B) both express sympathy for Jekyll's predicament. We know this because Mr. Enfield expresses his sympathy when he says "Yes, its a bad story" referring to Jekyll's situation. Also Mr. Utterson expresses sympathy when he thinks to himself "Poor Harry Jekyll." Both men feel sorry for Jekyll's situation and express sympathy for him.
Article III of the Constitution
Explanation:
this establishes the Judicial Branch, leaves Congress significant discretion to determine the shape and structure of the federal judiciary.