1. Initiator of the Witchcraft Hysteria: Betty Parris is the first person in the play to exhibit strange and unexplained behaviors, which triggers the accusations of witchcraft that drive the central conflict. Her initial fainting and subsequent fits provide the catalyst for the Salem witch trials.
2. Witness and Accuser: Betty Parris serves as a key witness and accuser in the witchcraft trials. Her testimony heavily influences the judicial proceedings, as she identifies various individuals as witches based on her claimed encounters with them. Her accusations escalate the tensions within the community and contribute to the unjust convictions and executions.
3. Symbol of Innocence and Manipulation: Betty's character symbolizes the innocence and vulnerability of those caught up in the hysteria. Despite her young age, she becomes a powerful tool in the hands of Abigail Williams, who uses her to manipulate the situation for personal gain. This highlights how innocent individuals can be exploited for malicious purposes.
4. Reflects the Theme of False Accusations: Betty's experiences exemplify the theme of false accusations and mass hysteria that pervades the play. Her baseless claims lead to the suffering of innocent people, demonstrating the dangerous consequences of blindly believing unsubstantiated allegations.
5. Development of Abigail Williams' Character: Betty's relationship with Abigail Williams sheds light on Abigail's manipulative nature and her ability to influence others. Abigail uses Betty's vulnerability to her advantage, reinforcing her own position of power and control within the community.
Overall, Betty Parris plays a crucial role in the plot of "The Crucible." Her presence sparks the central conflict, propels the story forward, and serves as a microcosm for the larger themes of false accusations, manipulation, and the devastating impact of mass hysteria on individuals and society.