Dr Vance publishes a study claiming that a new intervention, 'Neuro-Sonic Resonance' (NSR), significantly reduces cognitive anxiety during exams. However, the published article does not provide details of the audio frequencies used, the volume levels, or the standardized duration of the sessions.
Explain how this lack of detail limits the scientific value of Dr Vance's findings, with reference to the concept of replicability.
689 exam-style questions on AQA A Level Psychology Scientific processes. Each one has a worked solution and a mark scheme showing where the marks go.