In the Coke/Pepsi Challenge, tasters try to identify regular and diet versions of these popular beverages under "blind" conditions, where they can't see the two products.How many levels are there to the independent variable?
A) 1
B) 2
C) 4
D) 8

Question

Quizplus · Accepted Answer

The independent variable in this scenario is the type of beverage (regular or diet). There are two levels to this independent variable, making B the correct answer. A only has one level, C and D have more than two levels, which is not relevant to the experiment.

In the Coke/Pepsi Challenge, Tasters Try to Identify Regular and Diet