...
3. Assumption and Weakening Questions
- Assumptions are ... the conclusion
- Weakening questions test you on:
14. Flaw Descriptive Weakening Questions
- You are ... - Can be considered a weakening question and you will likely ...
Follow the curriculum. Strengthening and weakening questions have to do with support, flaw questions have to do with argument mechanics. You don't have to see a flaw to weaken or strengthen an argument.
So, in weakening questions, the author has left his analysis/theory incomplete. With that incomplete theory, he goes on to make a strong conclusion. Hence, there is no reason to believe that the conclusion is supported by the theory.