an author fictionalizing a story should use which types of source materials to research the story’s…

Brief Explanations:

Interviews can provide real - life perspectives and details. News articles offer current and real - world events and information. Short stories can inspire and give examples of narrative techniques. Movies can also inspire in terms of visual and narrative elements, but interviews, news articles, and short stories are more directly relevant for researching story elements for fictionalizing. Textbooks are usually more for educational and factual information in a structured way and may not be as useful for fictional story research.

Answer:

interviews news articles short stories