“…Different research studies were made to investigate the effect of corrective feedback on developing language acquisition as vocabulary (Mollakhan, Rasouli, and Karbalaei, 2013), grammar (Zohrabi and Ehsani, 2014; Russel and Spada, n.d), English wh-question forms (Rassaei and Moinzadeh, 2011), accuracy (Chu, 2011), and writing (Akbarzadeh, Saeidi, and Chehreh, 2014). On the other hand, some studies were conducted to investigate the most effective type of feedback in improving students' performance inside the classroom.…”