Common mistake
A Task 1 response can have decent language but lose marks because overview is empty, data selection is weak, or comparison is unclear.
Connect practice, scoring, correction, or tool results to the diagnosis and next rewrite of one real essay. The more entry points you compare, the more you need one clear main blocker.
The more writing entries you compare, the more you need one clear main blocker.
A Task 1 response can have decent language but lose marks because overview is empty, data selection is weak, or comparison is unclear.
If scoring does not explain overview and data selection, it cannot guide the next version.
Provide chart prompt and full response so scoring is task-based rather than language-only.
Use the score result to rewrite the overview, then recheck Task Achievement signal.
These pages explain the Banfen Writing diagnostic and blocker-repair method, Task 1 overview, Task 2 development, and common score blockers.
Submit the prompt and essay, find the main blocker first, then decide whether the next version should repair Task 1, Task 2, language control, or paragraph development.