Toby, a researcher, finds that his score on honesty has a high correlation with his score on integrity, which are both measures of character. In the context of the construct validity of measures, this finding is an example of

This finding is an example of CONVERGENT VALIDITY.

Explanation: CONVERGENT VALIDITY is defined as the degree to which two models or concepts that are theoretically related are in fact related. It is often used in sociology, psychology, and other behavioral sciences. His research that his score on honesty has a high correlation with his score on integrity which is theoretical concept is true as a matter of fact because they are a measure of character.