Changes

'''Merit pay''' is consistently opposed by [[teacher]]s unions in favor of seniority and advanced degrees, although "we know from a wide and rarely disputed body of research that years of experience and degrees obtained are simply unrelated to a teacher's effectiveness in the classroom."<ref>[http://www.manhattan-institute.org/html/miarticle.htm?id=4458 Straight A's for Performance Pay]</ref>

'''Merit pay''' is a system by which employees are paid based on their performance. Although this system generally causes workers to do a better job, it is often opposed by these employees, since if forces them to work harder. For example, this is consistently opposed by [[teacher]]s unions in favor of seniority and advanced degrees, although "we know from a wide and rarely disputed body of research that years of experience and degrees obtained are simply unrelated to a teacher's effectiveness in the classroom."<ref>[http://www.manhattan-institute.org/html/miarticle.htm?id=4458 Straight A's for Performance Pay]</ref>

==Notes==

==Notes==