Preliminary data of the biodiversity in the area VNU Journal of Science Education Research, Vol 36, No 1 (2020) 78 92 78 Original Article Washback of English Proficiency Test in Classroom Activities at National University of Arts Education Dinh Thi Phuong Hoa* Hanoi Law University, 87 Nguyen Chi Thanh, Dong Da, Hanoi, Vietnam Received 05 November 2019 Revised 10 February 2020; Accepted 17 February 2020 Abstract This study reports on the effects English proficiency test (EPT) (based on the Six le[.]