Final answer:
The use of the second-person pronoun in Amy Tan's writing establishes a personal connection with the reader and enhances narrative clarity.
Step-by-step explanation:
In Amy Tan's writing, the use of the second-person pronoun in paragraphs 4 and 6 is to establish a personal connection. By addressing the reader directly with words like 'you' and 'your,' the author creates a sense of intimacy and engages the reader on a more personal level. This technique helps to make the narrative more relatable and enhances the reader's understanding and emotional connection to the text.