Null Hypothesis

Null Hypothesis

1. Tested for possible rejection

2. Essentially "devil's advocate" position

3. Essential part of research design

4. Important component of decision making methods

5. Researchers tries to

   • Reject
   • Nullify
   • Disprove

6. Can be statement of

   • Equality
   • NO
     • Relationship
     • Difference

7. Initial claim is based on previous research

8. Difference is due to

   • Chance
   • Sampling error