What is Test Bias?
Test bias refers to systematic errors in test scores that disadvantage certain groups of test-takers based on characteristics unrelated to the construct being measured. Common sources of bias include:
Cultural assumptions in test content
Language barriers
Stereotype threat
Unequal access to test preparation resources
Biased item selection or scoring procedures
Identifying and mitigating test bias is crucial for ensuring fair and accurate assessments in education and employment contexts. Strategies to reduce bias include:
Diverse representation in test development teams
Rigorous statistical analysis of test items
Use of universal design principles in test creation
Provision of appropriate accommodations for test-takers with disabilities
Addressing test bias is an ongoing process in the field of psychometrics and is essential for promoting equity in assessment practices.