Select all that apply Why is seniority often used in internal selection? (Check all that apply.) Multiple select question. Seniority is a more valid method of internal selection than experience. Seniority seems to lead employees to feel as if they able to move up in their organization. Promoting senior employees is socially acceptable because it is considered as rewarding loyalty. According to unions, reliance on seniority protects an employee from capricious treatment and favoritism