Table 2.

Evaluation Criteria

Criteria	Quality Definition
Tone	Ability of chatbot to express information in a way that is appropriate for the type of information being delivered.
Clarity	Ability of chatbot to communicate information clearly and in a way that avoids ambiguity or confusion.
Program Accuracy	Ability of chatbot to provide correct information about the PGS program
Domain Accuracy	Ability of chatbot to provide correct information about the genetic test results and care implications
Robustness	Ability to handle ambiguous queries or incomplete information
Efficiency	Ability to provide answers that are direct, concise, and complete
Boundaries	Ability to avoid answering questions that are unrelated to the topic
Usability	Ease of interfacing with chatbot