dass: Calculate the Depression, Anxiety, and Stress Scale (DASS-21)

In jonathanbart/baxtr: A Package for the Social Scientist

Description

This function renames columns; converts all columns to numerics; tests if the scores are outside of the scale limits; and calculates domain scores for depression, anxiety, and stress.

Usage

dass(start_col, end_col, data)

Arguments

start_col	The column number where the scale begins, reference by number only.
end_col	The column number where the scale end, reference by number only.
data	The reference dataframe.

Note

This function is designed to work with the validated question order as printed in the reference article. This function will give inaccurate results if question order is different from the published validated scale.

References

Henry, J. D., & Crawford, J. R. (2005). The short‐form version of the Depression Anxiety Stress Scales (DASS‐21): Construct validity and normative data in a large non‐clinical sample. British Journal of Clinical Psychology, 44(2), 227-239.

Examples

x <- c(0:3)
df <- data.frame(matrix(sample(x, 10*21, replace = TRUE), nrow = 5, ncol = 21))
dass(1, 21, df)

jonathanbart/baxtr documentation built on May 23, 2019, 4:04 a.m.