In Simons and Chabris's (1999) study on visual inattention, participants completed either an 'easy' or a 'hard' monitoring task.
Explain the purpose of manipulating task difficulty in this study and describe how this manipulation affected the detection of the unexpected event.
33 exam-style questions on OCR A Level Psychology Attention, covering Moray (1959): Auditory attention and Simons and Chabris (1999): Visual inattention. Each one has a worked solution and a mark scheme showing where the marks go.