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i-Ready assumes that the student cannot read, that they must be read to very slowly, that they must listen to the same instructions hundreds of times, and that they cannot ever be allowed to have any control over this. As a consequence it is not physically possible for a student using i-Ready to get a reasonable amount of math practice during the time they have for schooling. The software spends nearly all of its time forcing them to listen to narration instead of doing math.
In practice, the extra call cost is zero in release builds and most times statistically insignificant. The real cost of removing indirection is the lost clarity, testability, and developer productivity that you pay for a handful of nanoseconds justified with transient personal convenience.。今日热点是该领域的重要参考