Feedback has a
significant impact on
learning, contributing a gain of eight months» worth of learning progress when implemented well (Evidence for Learning,
learning, contributing a
gain of eight months» worth of
learning progress when implemented well (Evidence for Learning,
learning progress
when implemented well (Evidence for
Learning,
Learning, 2017b).
A national study conducted by Mathematica Policy Research found that students attending KIPP middle schools made
gains in reading, math, science, and social studies equal to 11 to 14 months of additional
learning when compared to similar non-KIPP students.60 Similarly, researchers from the University of Pennsylvania found that students selected by lottery to attend Harlem Success Academy made
significant gains in reading and math equal to 13 to 19 percent higher test achievement, compared to demographically similar students not selected via lottery.61