What does a one-tailed test require from the alternative hypothesis?
The hypothesis must be null (predicts that there will be no significant effect).
The hypothesis must be directional (predicts the specific direction of the effect).
The hypothesis must be non-directional (predicts an effect without specifying its direction).
The hypothesis must be correlational (predicts that two measured variables will be associated).
Flashcards for Eduqas A Level Psychology Inferential statistics, covering the key terms, definitions and case studies you need to recall for Component 1, Component 2 and Component 3. 21 cards, matched to the Eduqas A Level Psychology (A290QS) specification. Recall questions account for roughly 30% of marks at A Level Psychology, so these target the marks you can secure before the paper starts.