Do people prefer tap or bottled water? For this study pour two water samples into two cups that are the same but marked on the bottom.Each subject then tastes both water samples and rates the taste on a five-point scale (1 = poor to 5 = excellent. )What type of design is this?

Question

Quizplus · Accepted Answer

This is a matched pairs design because each subject serves as their own control, tasting both tap and bottled water, which controls for individual taste preferences. The cups are also marked on the bottom to ensure that the order in which the water is tasted does not impact ratings.

Do People Prefer Tap or Bottled Water? for This Study