Gershenson, Seth - W.E. Upjohn Institute for Employment Research - 2015
-in-difference estimates of the effect of failing AYP in the first year of NCLB on teacher effort in the subsequent year suggest that, on … average, teacher absences in North Carolina fell by about 10 percent, and the probability of being absent 15 or more times … fell by about 30 percent. Reductions in teacher absences were driven by within-teacher increases in effort and were larger …