Zusammenfassung der Ressource
Evaluation: Dement and Kleitman
- STRENGTHS
- Lab experiment
- control
- recording device
- no communication between
experimenter and sleeper
until after they told dream
content
- weren't told
whether they'd
been woken up in
REM sleep
- Valid
- reliable
- Scientific equipment (EEG and EOG)
- Valid
- data
- Ethics
- consent
- DATA
- Quantative
- number of dreams in REM and NREM
- estimate of dream duration
- eye movement
- Qualitative
- dream content
- SAMPLE
- 9 participant; 5 studied intensively
- too small
- 7 males and 2 females
- unrepresentative
- all American adults
- WEAKNESSES
- sample
- Ethics
- Psychological harm with sleep deprivation
- Low ecological validity
- control
- wires on face
- not their own bed
- opportunity
sample
- IMPROVEMENTS
- sample
- Bigger so more males and females.
Equal amount of males and females
- USEFULNESS
- regular occurring REMs every night