Cowles {effects} | R Documentation |
The Cowles
data frame has 1421 rows and 4 columns.
These data come from a study of the personality determinants
of volunteering for psychological research.
Cowles
This data frame contains the following columns:
scale from Eysenck personality inventory.
scale from Eysenck personality inventory.
a factor with levels: female
; male.
volunteeing, a factor with levels: no
; yes
.
Cowles, M. and C. Davis (1987) The subject matter of psychology: Volunteers. British Journal of Social Psychology 26, 97–102.
summary(Cowles)