“…In fact, the errors that were reduced across tests were rule based (e.g., articles, prepositions, verb forms). This proposal is in line with views of some SLA researchers, who note the advantages of providing clear information about specific targeted structure(s) (e.g., Bitchener & Knoch, ; Cerezo et al., ; Manchón, ). Although the superiority of direct WCF over indirect WCF is well established (e.g., Bitchener, ; Guo, ; Sheen, ), the effects of unfocused WCF await clarification.…”