Scenario 7-6 Wood Carver Cabinet Makers Recently Developed a Line of Kitchen

Scenario 7-6
Wood Carver Cabinet Makers recently developed a line of kitchen cabinets designed for new custom homes and kitchen remodeling jobs. The line of cabinets is to be called "Signature Hardwoods" and a new magazine advertising campaign is being tested. Each of the ads being tested has a photograph of a woodworker handcrafting some part of the cabinet. In addition, his or her signature is shown at the bottom of the page as an indicator that the cabinets are carefully hand made.
-(Scenario 7-6) Wood Carver recruited a group of consumers who were thinking about remodeling their kitchens and asked them a series of questions about selecting brands for their new cabinets.Later,Wood Carver showed the consumers several of its magazine ads,after which they were asked several questions to measure their opinions towards the Wood Carver Cabinet products.What type of study did Wood Carver conduct? 

A)  Attitude change 
B)  Split-transmission 
C)  Thought listing 
D)  Physiological