Dement & kleitman (1957) rem sleep and dreaming EVALUATION

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Dement & kleitman (1957) rem sleep and dreaming EVALUATION Physiological Approach

Starter: Evaluating Dement and Kleitman With the person next to you: Using your questions from last lesson, spend about 5 minutes quizzing each other.

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

Content Page Research: Dement & Kleitman 1. Method 2. Sample 3. Data Collection 4. Reliability 5. Validity 6. Suggested Changes 7. Debates 8. Issues

1. METHOD:

2. SAMPLE STRENGTHS WEAKNESSES

3. DATA COLLECTION STRENGTHS WEAKNESSES

4. RELIABILITY STRENGTHS WEAKNESSES

4. VALIDITY STRENGTHS WEAKNESSES INTERNAL ECOLOGICAL

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

Issues QUAL/QUAN DATA LONG/SNAPSHOT ECOLOGICAL VALIDITY SEE EARLIER ETHICS FINE

DEBATES PSYCHOLOGY AS A SCIENCE USEFULNESS

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