The ways the author informs the reader in the passage is:
This refers to the literary writing where a person writes to inform, entertain, critique or argue and has an audience.
With this in mind and from the complete text, there is the narration about the popular fields of study which were taken between 2001–02 and 2011–12 and he makes use of factual information by showing they were liberal arts and sciences, general studies, and humanities.
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