The Role of Theory in Public Health

• Search the Internet for definitions of the word theory.
• Based on the assigned readings in this unit and your Internet search, answer the following questions:
  • How do theories help public health professionals make decisions?
  • How do you determine if a theory is valid and useful? 
  • Which aspects of the concept of theory do you find confusing or vague?
• Cite the resources you used to help answer these questions in current APA style and format.