Accreditation agencies and organizations calling for higher academic standards in the teaching profession have called for increasing minimum grade point averages and scores on standardized tests. However, it's not clear that these requirements actually improve teaching. Lisa Borden-King, Warren Gamas, Kathy Hintz, and Chelsie Hultz researched…

There is a growing consensus that evidence of teachers' contributions to student learning should be a component of teacher evaluation systems, along with evidence about the quality of teachers' practice. Value-added models (VAMs), designed to evaluate student test score gains from one year to the next are often promoted as tools to accomplish this…

Value-added models (VAMs) are becoming an important tool in improving teacher evaluation. VAMs' premise is that they can statistically isolate a teacher's effect on a student's test score. In other words, we can attribute a student's growth to a particular teacher, and VAMs' proponents contend that they should be used to make a host of personnel…

The use of value-added modeling (VAM) in school accountability is expanding, but deciding how to embrace VAM is difficult. Various experts say it's too unreliable, causes more harm than good, and has a big margin for error. Others assert VAM is imperfect but useful, and provides valuable feedback. A closer look at the models, and their use,…

The use of performance-based pay, or merit pay, has become a topic of increased focus in education circles in recent years. Questions about the effectiveness of these types of programs, coupled with a variety of criticisms about the benefits of merit pay, have resulted in teachers viewing this type of incentive structure with much skepticism. In…