“…With children and adolescents, some studies showed a training-related effect on mathematics, measured by an academic test (Bergman-Nutley & Klingberg, 2014;Holmes & Gathercole, 2014) and on arithmetic (Witt, 2011). However, in other studies (Alloway et al, 2013;Dunning et al, 2013;Karbach et al, 2015;St Clair-Thompson, Stevens, Hunt, & Bolder, 2010), improvement in working memory did not transfer to mathematics.…”