Background: Bilingualism is widespread and being bilingual is more common than being monolingual. The lifelong practice bilinguals receive from managing two languages seems to lead to a cognitive benefit. Conversely, bilingualism seems to affect language ability negatively due to less use of each known language. Aims: This systematic review aims…

Research on the interaction of keyword treatment with materials or student characteristics in learning foreign languages was reviewed. Most of the studies implied that foreign language vocabulary learning was related to verbal, not visual-spatial ability or elaboration, conditions, and that student-generated keywords were more effective than…