Evaluating Standardized Testing Arguments

Read the following argument about the role of standardized testing in education:

Proponents of standardized testing argue that these assessments provide a uniform metric to evaluate student performance across diverse educational environments. They claim that standardized tests hold teachers and schools accountable, ensuring that all students receive a quality education regardless of their background. Critics, however, argue that standardized tests are often biased and do not accurately reflect a student's knowledge or potential. They contend that such examinations promote a narrow curriculum focused on test-taking skills rather than true learning and critical thinking.

Based on the argument presented, evaluate the effectiveness of the proponents' argument about the advantages of standardized testing.