Final answer:
Chronological order helps highlight the novelty of researchers' work, showing that the information gained is new and that they are pioneers in their field.
Step-by-step explanation:
The use of chronological order in a narrative can significantly affect how the readers understand the events and the significance of the research being described. Specifically, if the author is discussing researchers who are pioneers in their field, the chronological order can help convey the groundbreaking nature of their work. Among the given options, Option 2 best describes how chronological order conveys the idea that researchers are pioneers: 'It allows the author to show that the information gained in this research is new.' By following the sequence of their research and discoveries over time, the author can highlight the evolution and novelty of the researchers' work. Moreover, the discussion of events in the order they occurred emphasizes the progressive nature of their research, supporting the idea that these researchers are doing something new and pioneering in their field.