The article serves as a guide for researchers in developing evidence of validity using bivariate correlations, specifically construct validity. The authors outline the steps for calculating and interpreting bivariate correlations. Additionally, they provide an illustrative example and discuss the implications.

Indicators of mathematics and science education progress are important to policymakers and the public in order to evaluate the quality of education. Recent reports have evaluated existing indicators and suggested core aspects of mathematics and science education that an indicator system should evaluate. This note discusses two fundamental aspects…