But this one found that receiving a remediation did not appear to affect improvement in reading abilities .
但這一實(shí)驗發(fā)現(xiàn),接受矯正并沒有顯示出對改善閱讀能力造成多大的影響。
Students then are freed to move at their own pace through lectures and problem sets , teachers have access to reams of data about student performance to provide individualized instruction and remediation , and developers can use student-performance data to constantly iterate and refine the videos and problems .