But Summer Advantage has put up impressive results, showing that its students gain two months of learning each summer, compared with a three - month loss of knowledge for their peers. (themindtrust.org)
In 1920, a child of divorce would suffer about 3.6 months loss in educational attainment. (voices.washingtonpost.com)
If twelve month loss predictions are used to write a three month policy, the numbers become nearly useless as a predictive factor. (effectivecoverage.com)