Most AI training platforms put you through a paid or unpaid assessment before opening real project work to you. The temptation to game them is real; the cost of being caught is permanent — most platforms permanently ban accounts.
What they actually measure
Assessments are designed to surface three things: whether you can read a rubric, whether your written rationale is internally consistent, and whether your judgments cluster with experienced reviewers. They are remarkably good at detecting LLM-generated responses.
Read the rubric twice
The single biggest gap between accepted and rejected applicants is rubric comprehension. Read the criteria. Read them again. When you write a justification, ground it explicitly in the criteria — don't summarize the response, evaluate it against the rubric.
Write like a reviewer, not an essayist
Three crisp sentences citing two specific failures beats half a page of adjectives. Reviewers are trained to value precision over polish.
Do not use AI to help
Platforms compare your writing against their corpus of LLM-generated text. They flag you. They do not warn you. We have heard from dozens of contributors who lost permanent access this way. The platforms know what they're looking for.