The Vault of Definitions 

  Psychology  

- Psychology is the scientific study of the behavior and mental processes of all organism. 

  Science  

- A method of obtaining objective knowledge about the world through systematic observations (Monette, Sullivan, and Dejong, 1998, p.22).
- Science is an integrated knowledge. 
- Science is an systematically organized body of knowledge about the universe, obtained by the scientific method.  

  Observation  

- To examine something with purpose is known as observation.
- Observation is "the careful, close examination of an object, process, or other phenomenon for the purpose of collecting data about it or drawing conclusions" (American Psychological Association, n.d.).