The document discusses key concepts in humanistic psychology as proposed by Abraham Maslow, Carl Rogers, and Viktor Frankl. It outlines Maslow's hierarchy of needs which proposes that humans are motivated by physiological, safety, love, esteem and self-actualization needs. Rogers believed in an actualization tendency driving humans towards fulfillment. Frankl developed logotherapy focused on finding meaning through experiential, creative or attitudinal values. Humanistic psychology views humans as essentially good with potential for growth.