In Asia, some children are taught a calculation technique known as the 'mental abacus'. Previous research indicated that mental abacus experts can perform extraordinary feats of mental arithmetic, but it disagrees as to whether the technique improves working memory. The present study extended and clarified these findings by contrasting performance…

Poor comprehenders are generally students who have significant language-learning deficits. A particular problem for students with poor comprehension is that they have difficulty learning new vocabulary because they are inclined to read less, and are unable to apply new meanings to unfamiliar words. This leads to the situation where the gap widens…