During the Late 1980s and the Early 1990s the Pepsi

During the late 1980s and the early 1990s the Pepsi Challenge was in full swing.During the challenge, participants were asked to taste cola from both Coke and Pepsi.Once they had tasted both drinks, the participants were asked to report which was better tasting.The results indicated that participants found Pepsi products to be better tasting.This is an example of what type of research design?

A) between subjects design
B) within subjects design
C) mixed subjects design
D) within participant design