Background noise is a common environmental factor when studying. A group of cognitive psychologists want to investigate the effect of the type of auditory background on cognitive performance. They design an experiment to compare the effects of listening to 'white noise' versus 'lyrical pop music' on how many words participants can recall from a list of thirty words.
Write an alternative, two-tailed hypothesis for this study.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.