Hypothesis

• What is a null hypothesis?


  A null hypothesis is a statement that assumes there is no significant relationship or difference between variables being studied.
• What is a one-tailed/ directional hypothesis?


  Predicts the direction of the relationship between variables and can only be done if previous research has been conducted.
• What is a two-tailed/ non-directional hypothesis?


  Hypothesis that states that there is a difference between groups but not which group is better.