The dream property scale: An exploratory English version

Our goal is to develop an English version of the Dream Property Scale (DPS- E) based on the original normed scale in Japan (DPS-J). Factor analyses ext racted four factors (Emotionality, Rationality, Activity, and Impression) a nd its factor structure was apparently similar to the DPS-J. The DPS-E was also shown to be related to EEG power spectral values. These results indica te that the DPS-E may provide an exploratory basis for a reliable and valid tool for capturing and quantifying the properties of dream experiences tha t could reflect physiological activities without the intervention of experi menters. We suggest that the DPS-E will develop into a useful tool to help clarify dream production mechanisms by further investigation. (C) 2001 Acad emic Press.