Theory emphasizes that humans are positively motivated and progress toward higher levels of functioning.

 The correct answer is : The Humanist theory

Explanation:  The most famous humanistic psychologist was Carl Rogers. Humanism is based on a deep knowledge of the human being, educated in values, with emotions, feelings and with intellectual characteristics that can be cultivated and increased. This theory considers man as the center and measure of all things.

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"

answer; (true);