AQA A level Psychology Memory Key Studies Practice Exam With Complete Solutions 2024.

Baddeley (1966) - Answer CODING IN STM & LTM Acoustically similar/dissimilar words Semantically similar/dissimilar words Immediate recall worse for acoustically similar STM is acoustic Recall after 20 mins worse with semantically similar words LTM is semantic Jacobs (1887) - Answer CAPACITY OF STM Digit span: researcher reads 4 digits and increases until the order cannot be recalled correctly 9.3 numbers 7.3 letters Miller (1956) - Answer CAPACITY OF STM Observed that many things come in 7s (days of the week, musical scale etc) Span of STM = 7+-2 Can be improved by chunking (grouping sets of letters/digits into meaningful units) Peterson and Peterson (1959) - Answer DURATION OF STM 24 students Consonant syllable to remember & 3 digit number to count backwards from For 3, 6, 9, 12, 15, 18 seconds