Psychology Case Studies Dement and Kleitman

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  • Created by: Melissa
  • Created on: 31-10-13 18:25
Controls used in D&K
Door bell; Dark room sleeping alone; No alcohol or caffeine; Number and position of electrodes; Tape recorder
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D&K sample
7 adult males and 2 adult females (five were studied intensively, while minimal data was gathered on the other four to just confirm findings).
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D&K research method
Laboratory experiment (had IVs and DVs and conducted in a highly controlled artificial environment).
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D&K upheld...
Consent, confidentiality, withdraw and debrief.
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D&K broke...
Deception and harm.
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D&K experiment had HEV because...
The participants went to bed at their usual bedtimes with the lights off.
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D&K experiment had LEV because...
They weren't sleeping in their own room; They had to report their dreams into a tape recorder; Weren't allowed caffeine or alcohol; Woken by doorbell; Hard to sleep with wires attached.
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Was D&K study reliable?
Yes because it was standardised therefore we're able to replicate it and a lot of trials were run and results were consistent with each other.
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Was D&K study valid?
NO: might not have wanted to report dream if embarrassed so not accurate. YES: EEG made it accurate since is measured brain activity and this all correlated.
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Change D&K sample size
9 to 20 (10 males and 10 females with varying backgrounds all studied intensively over 120 nights to compensate for more people) - Improved reliability and more generalisable but costly/time consuming - No impact as they didn't meet other people.
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Change location of study for D&K study
Sleep lab to own bed cameras - HEV; More expensive/time consuming; Challenging to obtain sample because of privacy issues; Expands psychological harm to possible partner - Disclose more dreams because relaxed; Won't tell dream with partner there.
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Card 2

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D&K sample

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7 adult males and 2 adult females (five were studied intensively, while minimal data was gathered on the other four to just confirm findings).

Card 3

Front

D&K research method

Back

Preview of the front of card 3

Card 4

Front

D&K upheld...

Back

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Card 5

Front

D&K broke...

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