The answer for this problem is 14
Answer:
Lawrence Kohlberg
Explanation:
Lawrence Kohlberg is known for his theory of stages of moral development. He was an American psychologist. The six stages explain the process of how the individuals explain and justify their actions when they are stuck in moral dilemmas. His theory was based on the observations made by Jean Piaget and John Dewey.
The missing word in the statement above is: life satisfaction. Most middle-aged adults list life satisfaction as the most important factor in happiness. According to the experiments related to life satisfaction, people become older because they become wiser and more knowledgeable and they begin to see that life would be better. This is based from the psychologists, Yuval Palgi and Doc Shmotkin.