Chapter 6
Scaled Scores and Standard Scores

I. Scaled Scores....Scores that are adjusted via some type of scale, by adding, subtracting,

multiplying, or dividing all scores in the distribution by a constant....Worked Problem

A. Adding or Subtracting a Constant

1. The mean changes in accordance with the constant.

2. The standard deviation does not change.

B. Multiplying or Dividing by a Constant

1. The mean changes in accordance with the constant.

2. The standard deviation changes in accordance with the constant.

II. Standard Scores....Z Scores

III.  Visual Summary:  Converting X to Z

Copyright © 1999 by Mark W. Vernoy