Coding, capacity and duration of memory test

1. 1[blank_start]Baddeley[blank_end] studied how information is [blank_start]coded[blank_end] in both the long term and short term memories. He found that [blank_start]immediate[blank_end] recall was the worst with [blank_start]acoustically[blank_end] similar words and recall after [blank_start]20[blank_end] minutes was the worst with [blank_start]semantically[blank_end] similar words. This shows that information is coded acoustically in short term memory and semantically in long term memory.

   1. ABaddeley
   2. BJacobs
   3. CMiller
   4. Dcoded
   5. Estored
   6. Fkept
   7. Gimmediate
   8. Hshort
   9. Ilong
   10. J20
   11. K30
   12. L10
   13. Msemantically
   14. Nsematically
   15. Oacoustically
   16. Pacoustically
   17. Qsemantically
2. 2Miller found that the capacity of STM is 7 (+-2) items

   1. ATrue
   2. BFalse
3. 3[blank_start]Duration[blank_end] is the length of time information can be held in memory. [blank_start]Peterson and Peterson[blank_end] studied the duration of the [blank_start]short[blank_end] term memory. They tested [blank_start]24[blank_end] undergraduate students, each taking part in [blank_start]8[blank_end] trials. On each trial the student was given a [blank_start]consonant syllable[blank_end] to remember and also a [blank_start]3[blank_end]-digit number. They were asked to count backwards from the number until told to stop. This counting backwards was to prevent any mental rehearsal. On each trial they were told to stop after a different amount of time - 3, 6, 9, 12, 15, 18 seconds - the [blank_start]retention interval[blank_end].
   The percentage of accurate recall of the consonant syllable [blank_start]decrease[blank_end] the longer the retention interval was. This suggests that short term memory may have a very short duration, unless you repeat something over and over again.

   1. ADuration
   2. BStorage
   3. CPeterson and Peterson
   4. DBahrick et al
   5. Eshort
   6. Flong
   7. G8
   8. H3
   9. I24
   10. Jconsonant syllable
   11. Kword
   12. Lretention interval
   13. Mprevention interval
   14. Ndecreased
   15. Oincreased
4. 4Select the correct evaluation points for the research on memory capacity.

   1. AJacob's conducted his study a long time ago, likely with little control. This could have resulted in confounding variables so the results may not be valid.
   2. BThe results of Jacob's study have been confirmed in other research, supporting its validity.
   3. COther research confirms the 7 +-2 capacity suggested by Miller.
   4. DCowan concluded the capacity of STM was only about 4 items.
   5. EResults cannot be generalised.
5. 5What is the duration of short term memory?

   1. A18 to 30 seconds
   2. B3 to 18 seconds
   3. C5 to 20 seconds
6. 6[blank_start]Bahrick[blank_end] et al. studied [blank_start]392[blank_end] participants from Ohio aged between 17 and [blank_start]74[blank_end]. High school yearbooks were obtained and recall on them was tested in various ways: (1) 50 photo-[blank_start]recognition[blank_end] test, some of whom were from the yearbook; (2) [blank_start]free[blank_end] recall where participants recalled all the names from their graduating class. Participants tested within 15 years of graduation were about [blank_start]90[blank_end]% accurate in photo recognition. This dropped to [blank_start]70[blank_end]% after 48 years. Free recall was [blank_start]60[blank_end]% accurate after 15 years and [blank_start]30[blank_end]% after 48 years. This shows that long term memory can last a very long time.

   1. ABahrick
   2. B392
   3. C74
   4. Drecognition
   5. Efree
   6. F90
   7. G70
   8. H60
   9. I30

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AS - Level Psychology (Memory) Quiz on Coding, capacity and duration of memory test, created by Lucy Garland on 06/04/2016.

Author

Lucy Garland

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English

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History

Created on 6 Apr 2016 · updated on 13 Apr 2016

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psychologymemoryas - level

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