What does the phrase “level of happiness” reveal about how researchers consider happiness to work?

Read the passage from a raisin in the sun. [lindner: ] but you've got to admit that a man, right or wrong, has the right to want to have the neighborhood he lives in a certain kind of way. and at the moment the overwhelming majority of our people out there feel that people get along better, take more of a common interest in the life of the community, when they share a common background. which words best describe lindner's tone, based on his use of the phrase "in a certain kind of way”? disdainful and demeaning confused and indecisive warm and welcoming surprised and amazed