Dement & Kleitman's sleep lab experiment
woke up 9 participants attached to EEG & EOG
at interval during the night
to recall dream
1. REM sleeping correlated with dreaming
High incidence of dream recall during REM periods
opposite for NREM periods
2. Length of REM correlated with dream duration estimates
(5-15 mins) & number of words used to narrate dreams
3. Pattern of eye movement correlated with the dream content
i) Vertical movement: climb a ladder
ii) Horizontal movement: watch 2 people throw tomatoes
iii) Both above: observe close at people or object
iv) Little or no movement: look at things in the distance
20 minutes of dreams every 92 minutes on average
Validity Vs Reliability
Quantitative Vs Qualitative
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