Answer:
Extensive Problem Solving.
Step-by-step explanation:
Robin is engaging in extensive problem solving by trying to get all the information she needs in order to make a choice on the best gift for her grandparent's 50th wedding anniversary.
Extensive problem solving: This can be defined as the process by which a buyer makes decision on the kind of product to purchase without having a prior knowledge or information about the product. It could be stressful and time consuming.
Extensive problem solving usually arise when buyers discovers there is a need that is new to them and the need requires a lots of effort to satisfy it. It involves getting information on the product to selecting the best brand. Robin is searching for a gift that will be accepted by both her grandmother and grandfather.