... for IELTS Band 7.0: Investigating English language proficiency development of international students IELTS Research Reports Volume 13 www .ielts. org 47 International English Language Testing ... previous experience in pre-sessional English language study was that of progressing from IELTS score 5.0 to IELTS score of 6.0 after three months of intensive English language study, a not uncommon ... International English Language Testing System, 2010b, IELTS speaking band descriptors (public version), accessed 10 November 2010 from <www .ielts. org/PDF/UOBDs_SpeakingFinal.pdf> International English...