Old Spice was having a difficult time attracting younger men to their hygiene and grooming product. The marketing team decided to update the brand's value proposition. To test 4 potential strategies, Old Spice designed 4 storyboards and recruited young male college students to critique each storyboard and select the one that most appeals to them. In this example, which of the following methods is Old Spice using? Select one: a. the empathic method b. mass-market strategy test c. segment strategy acid test d. marketing mix strategy test e. segment attractiveness test