Changes in Pupil Size with Emotional Arousal

Data from an experiment to measure the effect of different images on emotional arousal, by measuring changes in pupil diameter. The experiment used 20 males and 20 females. Images included a nude man, nude woman, infant, and a landscape.

Format

A data frame with 160 observations on 3 variables.

arousal

Numeric Change in the subject's pupil size.

gender

Factor Subject's gender (female, male)

picture

Factor Picture shown to subject (infant, landscape, nude female, nude male)