Jeffreys, a research, is conducting a drug trial in a controlled environment. He manipulates several variables and measures the effect of each variable on the subjects of the trial. In this scenario, Dr. Jeffreys is using the method.

experiment

Explanation:

Experiment method: In research, the term experiment method is described as a method of investigation whereby a specific hypothesis is being scientifically tested. Therefore, in the experiment method, a dependent variable is being tested or measured by the researcher, an independent variable is being changed or manipulated, and any extraneous variables are being controlled by the experimenter, investigator or researcher.

Advantage: The experiment method is objective in nature.

In the question above, Dr. Jeffreys is using the experimental method.

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).