Final answer:
The Supreme Court decision that required employers to prove the job-relatedness of education and testing used in the hiring process is Griggs v. Duke Power Co.
Step-by-step explanation:
The Supreme Court decision that established the requirement that employers prove that education and testing activities used in the selection process are job-related is a) Griggs v. Duke Power Co.. This landmark decision interpreted Title VII of the Civil Rights Act and dictated that qualifications such as a high school diploma or testing requirements cannot be included in the job selection process if they disproportionately disqualify certain racial groups, unless the employer can demonstrate that these requirements are closely and clearly related to the job in question. The ruling aimed to prevent discriminatory employment practices and ensure fairness in hiring.
The Supreme Court decision that established the requirement for employers to prove that education and testing activities used in the selection process are job-related is Griggs v. Duke Power Co. This decision was made under Title VII of the Civil Rights Act and made it illegal to include educational requirements in a job description that negatively impacts one race over another if the requirement cannot be shown to be directly related to job performance.