IELTS Speaking Assessment Criteria Below are the marking criteria for IELTS speaking. Click table to enlarge. Fluency Talking at length Talking without pauses or hesitations Talking without self-correction Able to be understood Using linking devices Lexical Resource Using a range of words and paraphrasing Using collocations Using less common vocabulary Avoiding errors Grammar Range & Accuracy Using a range of sentence structures Using a range of grammar tenses Avoiding errors Pronunciation Able to be understood thoughout the test Able to use intonation Accent does not affect understanding Accurate word and sound pronunciation