sample_data {rciplot}

Sample Data from Jacobson & Truax (1991)

Description

This data set is an excerpt from Table 2 of Jacobson & Truax (1991).

Usage

sample_data

Format

A CSV table containing the columns 'ppid', 'pre' and 'post' where 'ppid' is a continuously incrementing list of unique integers, 'pre' contains pretest values (floating-point) and 'post' contains posttest values (floating-point too)

Source

Table 2 in Jacobson & Truax (1991)

References

Jacobson, N. S., & Truax, P. (1991). Clinical Significance: A Statistical Approach to Defining Meaningful Change in Psychotherapy Research. Journal of Consulting and Clinical Psychology, 59, 12-19. <doi:10.1037/0022-006X.59.1.12>