Question

In the actual Ames et al. (2006) article that presented this measure, they reported correlations of the 16-item measure of narcissism with the following measures. What form of measurement validity does each of these four correlations suggest?

Measures	Correlation Coefficient
(1) 40-item measure of narcissism (NPI-40)	.90**
(2) Agreeableness	-.23**
(3) Belief in a just world	.04
(4) Self-esteem	.30**

Answer 1

There is a strong positive relationship between the 16-item measure of narcissism and the 40-item measure of narcissism (NPI-40).

There is a weak negative relationship between the 16-item measure of narcissism and Agreeableness.

There is a weak positive relationship between the 16-item measure of narcissism and Belief in a just world.

There is a moderate positive relationship between the 16-item measure of narcissism and Self-esteem.