Serial Position Effect

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The aim of the experiment was to measure the percentage of correct recalling of letters when they appear in a list of ten letters and each letter is presented for one second. Based on a past research done by Murdock (1962) the hypothesizes of this experiment was that the letters that was presented at the beginning of the list will be recalled better that the letters that were presented in the middle of the list and also the letters that was presented at the end of the list will be recalled better than the letters presented the beginning of the list.

Results
The results of the experiment showed that the percentage of recalling for the letters at the beginning of the list were 62% and the percentage of recalling for the litters presented in the middle of the list were 50% and the percentage of recalling for the letters at the end of the list were 65%.

Discussion
As shown in the section above the results of the experiment were as expected and the two hypothesizes of were supported. Based on the previous research that was made by Murdock (1962) about the serial position effect. The expectation were that the letters at the beginning of the list will be remembered better that the letters in the middle of the list and that is because the participants will start to rehearse the letters they see at first and rehearsing the letters can move them from the short term memory to the long term memory to be recalled again when needed (primacy effect). And the other expectation was that the letters at the end of the list will be remembered better than the letters at the beginning of the list and that’s because and that because the participants will keep the letters they saw last in the short term memory and they will remember it better because it the last thing they saw (recency effect). And the loss of the letters in the middle of the list from the memory can be explained by "displacement" when the last few letters are presented they displace the letters that were...
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