Robert has taken up bicycle riding as a hobby and as a way to maintain his physical health. He understands he will need to make sure that he gets adequate water when he is bike riding and wants to buy a hydration system. Having gathered a great deal of information, he has decided to compare three systems: Waterbags for Roadies, Supertanker Hydropacks, and Fast Water. In what stage of the consumer decision-making process is Robert currently involved