Hypothesis

Question 1

What is an experimental or alternative hypothesis?

Answer 1

• makes a statement that predicts that the IV will have some kind of effect on the DV
  e.g. west midlands accents are significantly more likely to be seen as friendly compared to south england

Question 2

What is a null hypothesis?

Answer 2

• makes a statement that predicts the IV will not have any effect on the DV
  e.g. there is no significant difference in intelligence in boys and girls

Question 3

What is a one tailed hypothesis?

Answer 3

-predicts exactly how the IV will affect the DV
e.g. listening to taylor swift for 1 hour will significantly IMPROVE your mood

Question 4

What is a two tailed hypothesis?

Answer 4

• predicts that the IV will affect the DV but does not state what this effect will be
  e.g. listening to taylor swift will significantly CHANGE your mood