explanations of questions - 18 Feb. 2025 Psy1148 Ans. a Sol. The term "insight" refers to a sudden realization of how to solve a problem, and this concept was introduced by Wolfgang Köhler in his work with chimpanzees. He demonstrated that problem-solving could occur through insight rather than trial and error. Psy1149 Ans. a Sol. Ontology is the philosophical study that deals with the nature of being, existence, and reality. So, the correct answer to the question is: a. deals with the question of existence. Psy1150 Ans. a Sol. The humoral theory, proposed by Hippocrates, suggests that human health and temperament are determined by the balance of four bodily fluids or humors: blood, phlegm, yellow bile, and black bile. This theory was influential in ancient medicine and psychology.