Answer:
Delphi method
Step-by-step explanation:
Delphi method is defined as a structured communication technique. Initially it was developed as a interactive forecasting method which uses a panel of experts.
This method can also be used for face to face meetings.
Questionnaires are sent to panel of experts, anonymous responses are aggregated and presented to the group after each round. Questionnaires bare often sent through mail.
In this scenario where Fern wants to work with a group of experts to find the best solution for a quality assurance problem with her company's new product, the best option will be to use the Delphi method.