dement & kleitman (1957) rem sleep and dreaming evaluation physiological approach
TRANSCRIPT
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DEMENT & KLEITMAN (1957)REM SLEEP AND DREAMINGEVALUATIONPhysiological Approach
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Starter:Evaluating Dement and Kleitman
• With the person next to you:
• Using your questions from last lesson, spend about 5 minutes quizzing each other.
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Group Task
•We have now discussed some ideas about the evaluation of this study
•You’ve become adept at evaluating studies now so in groups you have 25-30 minutes to go through the evaluation
•Make sure you have at least one point for each s/w
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Content PageResearch: Dement & Kleitman
1. Method
2. Sample
3. Data Collection
4. Reliability
5. Validity
6. Suggested Changes
7. Debates
8. Issues
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1. METHOD:
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2. SAMPLESTRENGTHS WEAKNESSES
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3. DATA COLLECTIONSTRENGTHS WEAKNESSES
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4. RELIABILITYSTRENGTHS WEAKNESSES
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4. VALIDITYSTRENGTHS WEAKNESSES
INTERNAL
ECOLOGICAL
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5. SUGGESTED CHANGES Improvement 1
P The thing that I would improve is the ecological validity of the study, because Dement and Kleitman’s study was carried out in a sleep laboratory which is not a natural setting.
E I would do this by… Monitoring participants in their own home. I would have a doctor visit the participants’ houses and connect the EEG equipment in order to record their sleep stages in their natural home environment.
C A strength of this change is that the results would be more ecologically valid than…because I have…. This is a strength because my results will be more representative of…therefore we can…
Improvement 2
P
E
C
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IssuesQUAL/QUAN DATA
LONG/SNAPSHOT
ECOLOGICAL VALIDITY SEE EARLIER
ETHICS FINE
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DEBATESPSYCHOLOGY AS A SCIENCE
USEFULNESS
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Homework• Research:
• Eye witness testimony:• Is it reliable?• What are the issues with it?• Are there any examples of when it has not worked?• In your opinion, should it be used as evidence in court?• Watch this:
• Due next lesson