An investigator wants to see whether packaging information affects the way people rate breakfast cereal. the same cereal is put in three packages: (a) a brown box that says, "to start your day off with a smile"; (b) a yellow box that says, "for extra energy all day"; and (c)a white box that says, "fortified with b complex and iron." in this study the:
a)kind of cereal is confounded with color of the box.
b)package information is confounded with color of the box.
c)package information is confounded with kind of cereal.
d)package information is confounded with color blindness

In the given study, the package information is confounded with color of the box.

Option B

Explanation:

A Confounding variable in an experiment refers an outside influences which can use to see whether it changes the effect of the independent variable or the dependent variable. These are the extra influences or variable that enters the experiment and hence one should make sure to remove them as otherwise, the result will be useless.

In the present experiment, the investigator wanted to see the effect of information on the box on the buyers but the color of the boxes has affected the choices of the buyer and hence has affected the experiment.

i honestly speaking this is too long

answer; use multiple stimuli;