Depression, Anxieity, and Stress Scale Data.
A data frame with 166 observations on the following 3 variables.
a numeric vector measuring depression, scored from 0 to 20
a numeric vector measuring anxiety, scored from 0 to 20
a numeric vector measuring stress, scored from 0 to 20
Data from a pilot study by Michael Smithson.
Lovibond, P. F., & Lovibond, S. H. (1995). The structure of negative emotional states: Comparison of the Depression Anxiety Stress Scales with the Beck Depression and Anxiety Inventories. Behavior Research and Therapy, 33, 335-343.