Final answer:
In the given excerpt, there is a subtle shift in how Hester Prynne is portrayed as her character evolves from being innocent and playful to cunning and deceptive.
Step-by-step explanation:
In the given excerpt, there is a subtle shift in how Hester Prynne is portrayed. Initially, she is described as acting her 'little part' and engaging in activities that are socially acceptable, such as laughing and playing with Fay. However, as the passage progresses, it is revealed that Hester has been eavesdropping and spying on others, which suggests a more cunning and deceptive side to her character.