Memory studies for duration:Peterson and Peterson

Question 1

what was the method?

Answer 1

Participants were shown nonsense trigrams and asked to recall them after either 3,6,12,15 or 18 seconds

Question 2

How long were the trigrams shown for?

Answer 2

3,6,12,15 or 18 seconds

Question 3

What were participants asked to do after seeing the trigrams?

Answer 3

Count backwards in threes from a given number

Question 4

what was the counting back from a given number?

Answer 4

interference task

Question 5

Why were the participants given an interference task?

Answer 5

so that they would not recall the numbers internally

Question 6

what was the results after 3 seconds?

Answer 6

participants could recall about 90% correctly

Question 7

what was the results after 18 seconds?

Answer 7

only 2% was correctly recalled

Question 8

what was the conclusion?

Answer 8

when rehearsal is prevented very little can stay in stm for longer than 18 seconds

Question 9

what type of study

Answer 9

laboratory study

Question 10

what does this mean if it was a laboratory study?

Answer 10

it means that the variables can be tightly controlled

Question 11

what did they study?

Answer 11

investigated short term memory using trigrams

Question 12

what is the meaning of duration?

Answer 12

the length of time information can be held in memory