Answer: Premarket testing
Explanation: In simple words, premarket research or testing refers to the research that is done by the organisations with the objective of ascertaining how much their product will be sold in the market which they are targeting. This is done by various methods of market research like customer survey.
In the given case, Lorraine receives samples and also participates in surveys conducted by the organisations on their product.
Hence we can conclude that she is a part of premarket testing.