AI vs. Human Examiner IELTS Grading: A Study of 1,200 Essays
We compared IELTSbiz's AI grader against certified human IELTS examiners. Read the data on grading alignment, error detection accuracy, and feedback precision.
6 min readAT
Dr. Aris Thorne
Head of AI & Computational Linguistics at IELTSbiz
Dr. Aris Thorne holds a PhD in Natural Language Processing and has spent 8 years designing automated assessment tools for English language learning.
LinkedIn ProfileArticles by Dr. Aris Thorne
IELTS Band Score Conversion: How Many Answers You Need for Band 7, 8 & 9
See the IELTS Reading and Listening raw-score-to-band conversion tables. Find out how many of the 40 questions you must get right for Band 6, 6.5, 7, 7.5, 8 and 9.
7 min readIELTS Vocabulary: A 30-Day Plan to Reach Band 7+ Lexical Resource
Lexical Resource is 25% of your Writing and Speaking score. Follow this 30-day vocabulary plan with daily habits, collocations, and topic word lists for Band 7+.
9 min readWhat an AI-Based IELTS Reading Training Platform Should Do
What an AI-based IELTS Reading training platform should do: fresh exam-realistic passages, per-type training, trap-level feedback, and adaptive difficulty.
12 min readAdaptive IELTS Reading Practice With Detailed, Trap-Level Feedback
Adaptive IELTS Reading practice with detailed feedback: difficulty matched to your measured level per type, with trap-level explanations on every answer.
12 min readIELTS Listening Tips for Band 8: A Section-by-Section Strategy
IELTS Listening tips for Band 8: the ~35/40 you need, the 30-second pre-read habit, spelling and transfer rules, and how to beat Sections 3 and 4.
12 min readIELTS Score for Canada PR: Express Entry CLB Levels Explained
The IELTS score for Canada PR through Express Entry: how IELTS maps to CLB, the CLB 7 minimum, the CLB 9 sweet spot for CRS points, and which test to take.
12 min readHow IELTS Speaking Is Scored: The 4 Band Descriptors Decoded
How IELTS Speaking is scored: the four band descriptors — Fluency, Lexical Resource, Grammar, and Pronunciation — each worth 25%, decoded with what examiners reward.
12 min readIELTS Linking Words and Cohesive Devices for Band 7+ Writing
IELTS linking words and cohesive devices for Band 7+: the connectors that work by function, why overusing them lowers your score, and real cohesion beyond linkers.
12 min read