Hypothesis

• DIRECTIONAL HYPOTHESIS • A directional hypothesis predicts that the independent variable will have an effect on the dependent variable in a specific direction. “Students who completed the memory test in silence will recall more words than those who listened to music
• NON-DIRECTIONAL HYPOTHESIS • A non-directional predicts a difference in results but does not state the direction of those results. • “There will be a difference in the amount of words students recall when completing the memory test in silence than those who listened to music ’’
• THE NULL HYPOTHESIS • The hypothesis that states that the IV will NOT affect the DV. “There will be NO difference There will be a no DIFFERNCE in the amount of words students recall when completing the memory test in silence when compared to those who listened to music ’’