A Sadistic Pastry Chef Wants to Test the Effect of Gingerbread

A sadistic pastry chef wants to test the effect of gingerbread house foreclosure on the stress level of his gingerbread people. He separates the gingerbread people randomly into two groups. The chef eats the gingerbread houses of one group AND for good measure eats the gumdrop buttons of each the gingerbread people while the other group is left entirely alone. What is a confounding variable in the pastry chef's experiment?

A) Eating the gingerbread house of only one group and not the other
B) The measured stress level of the gingerbread people
C) Eating the gumdrop buttons of only one group and not the other
D) There is no confounding variable in this experiment

Correct Answer:

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