The document discusses several theories and factors related to helping behavior:
1. It explores the genetic and evolutionary roots of helping, including kin selection and reciprocity.
2. It analyzes the costs and benefits of helping from the perspective of social exchange theory.
3. It examines empathy and altruism, and how empathy can motivate helping those in need.
4. Additional factors discussed include gender differences, environmental influences, number of bystanders, and characteristics of victims that affect helping.