Kacie designed an experiment to disprove the hypothesis that people are more likely to others when they are in a good mood. her approach illustrated the concept of

I believe the answer is: Falsification

Falsification refers to the process of making a statement that contradict the factual evidence. In research, research based on principle of falsification is being done in order to disprove previous conclusion and establish that it is impossible to derive a correct conclusion due to insufficient access to all relevant factors.

glass wants to live in a world of super heroes and villains. he have lived all his life trying to be responsible for the creating the origin story of a super hero; he schemed and caused many incidents (many of them fatal) hoping that someday someone with superpowers would show up and save the day.

he knew himself very much. he saw himself as a villain of a real-life super hero story. he was aware of his strengths (more than smart enough for being manipulative and scheming) and weaknesses (having fragile bones and having to rely on his mind to succeed).