# Cowles and Davis's Data on Volunteering

### Description

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.

### Usage

1 |

### Format

This data frame contains the following columns:

- neuroticism
scale from Eysenck personality inventory

- extraversion
scale from Eysenck personality inventory

- sex
a factor with levels:

`female`

;`male`

- volunteer
volunteeing, a factor with levels:

`no`

;`yes`

### Source

Cowles, M. and C. Davis (1987)
The subject matter of psychology: Volunteers.
*British Journal of Social Psychology* **26**, 97–102.

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