Pauline Cullen notes that many test-takers mistakenly believe that using long sentences and sophisticated vocabulary will automatically lead to higher scores. However, this approach often results in errors and a lack of coherence.

Cullen advises that it's more effective to use a range of vocabulary and grammatical structures that you can handle confidently and accurately. This strategy ensures that your communication is clear and precise, which is crucial for achieving higher band scores in the IELTS exam.

To reach C1-C2 level, you must not use as many high-level words and overly complex grammar points as you can (c)