After backward counting, recall falls sharply as the delay grows from 3 to 18 seconds. In a second task, immediate recall improves when twelve letters are reorganised into three familiar groups.
Compare STM duration with STM capacity using these results.
40 exam-style questions on Edexcel GCSE Psychology 2.1 Memory, covering 2.1.1 Structure and process of memory, 2.1.2 Short-term and long-term memory features, 2.1.3 Retrograde and anterograde amnesia, 2.1.4 Theory of Reconstructive Memory (Bartlett, 1932), and 2.1.5 Multi-store Model of Memory (Atkinson and Shiffrin, 1968). Each one has a worked solution and a mark scheme showing where the marks go.