Exam-style question
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Explain how sign test helps psychologists address this objective: Explain when to use the sign test and how to calculate it..
Model answer
What a good answer should say
- A strong answer gives AO1 knowledge about sign test, applies it to the question context, and adds AO3 evaluation by explaining whether research evidence, validity, reliability or bias supports the claim.
- For statistics objectives, name the statistic, test, probability, significance level or decision rule so the conclusion follows from the data.
Explanation
Why this works
This question checks whether the learner can turn the approved Psychology objective into AO1 knowledge and AO3 evaluation rather than listing a topic label.
Common mistake
No common mistake is linked to this question yet.