to estimate learning losses. It models the effect of school closures on achievement by predicting the deviation of the …. Scores declined by an average of 14 percent of a standard deviation, roughly equal to seven months of learning. Losses were …

to estimate learning losses. It models the effect of school closures on achievement by predicting the deviation of the …. Scores declined by an average of 14 percent of a standard deviation, roughly equal to seven months of learning. Losses were …

to estimate learning losses. It models the effect of school closures on achievement by predicting the deviation of the …. Scores declined by an average of 14 percent of a standard deviation, roughly equal to seven months of learning. Losses were …