Contents:

1. Review of the literature
   1. Technique of performing a literature review
   2. Critical analysis of published material
      
      
2. Scientific basis of practice
   1. The basis of current knowledge and beliefs
   2. How new knowledge is generated
   3. Valid comparisons
   4. Inferences from data
      
      
3. Scientific method
   1. Description of a researchable problem
   2. Formulation of a testable hypothesis
   3. Data collection and analysis
   4. Validation of a hypothesis using statistical methods